23 Rules For Faster SQL Queries
To avoid common pitfalls, follow these guidelines while working with SQL queries.
I'm in need of a skilled developer to build an efficient gaming marketplace. The platform should be designed to operate similar to with a few specific requirements in mind. Key components of the platform include: - User Registration and Login: The platform should allow for user registration and login with appropriate details, ensuring a personalized experience for users. - Instant Delivery via Email: Upon processing of a purchase, instant delivery of the gaming product should be sent to the user via email. This is a crucial feature that should be handled effectively and securely. - Product Search and Filtering: The platform should have a robust search and filtering system in place to help users easily navigate, search, and find the g...
I'm currently dealing with some issues on my image processing algorithm implemented in C++. The main problem is that the line detection accuracy isn't up to par. Improvement in this area is urgently needed. Requirement Details: * Fine-tune or fix the algorithm to increase line detection accuracy. Ideal Candidate: * Expertise in C++ programming * Experienced in working with image processing algorithms * Knowledgeable in tweaking algorithms for accuracy improvements. Please note, clarity or resolution aspects were not addressed; your primary focus should concern the accuracy of line-detection. I look forward to a positive resolution with your skills.
I am seeking an experienced animator to create a series of 3-minute long 2D cartoon episodes, targeted towards preschool-aged children (3-5 years old). Ideal Skills: - Experience in children's programming is crucial; experience appealing to preschool demographics is a bonus. - Strong grasp on creating educational, engaging content for young viewers. - Expertise in creating animal characters in 2D animation. The goal is to effectively communicate the joy and wonder of nature to these young viewers in short digestible episodes. I'm expecting creative storylines, lively animal characters and user-friendly art style.
Hello everyone I hope you are always well.... I am searching for a professional in LLM With background of dealing with financial data and historical technical data of stock prices PLEASE SAY HOW YOU CAN UTILIZE LLM TO PREDICT STOCK PRICES BRFORE YOU BID Thanks for all
I'm in need of a developer with specific experience in creating a serial port driver (RS232) for a Windows operating system. The key requirements include: - The driver needs to be developed using the C programming language. Profound knowledge of C, Windows APIs and asynchronous serial communication (RS232) is essential. - As part of the project, a communication dashboard needs to be created too. The dashboard must have the capacity to track live data, support multiple connections and should incorporate a customizable interface. Therefore, seeking candidates with strong skills in GUI development, database management and networking too. Looking forward to discussing this project with interested and capable applicants.
...you looking to master SQL, Excel, or Python? Look no further! With years of experience in data analysis and programming, I offer comprehensive tutoring services tailored to your learning needs. **What I Offer:** 1. **SQL Mastery:** From basic queries to advanced database management, I'll guide you through understanding SQL syntax, optimizing queries, and database design. 2. **Excel Expertise:** Whether you're a beginner or looking to enhance your Excel skills, I'll cover everything from formulas and functions to data visualization and automation. 3. **Python Proficiency:** Dive into the world of Python programming with personalized lessons covering fundamental concepts, data manipulation, scripting, and more. **Why Choose Me?...
Here's some information on how the API calls on how the "idToken" is received. Step 1 Login Flow & API call: 1. On the web page, Fill up the email & password on the login page. Press on "login" 2. A POST API call is made to "" with returns set-cookies in the response header. It contains the "APPSESSID" cookie. This cookie will be used in the next API call. Step 2 On the web page, Once you've landed on the homepage, Click on "Competitions" in the navigation tabs on the Left: 1. This would make a POST API call to "" which uses the "APPSESSID" cookie mentioned above. 2. The response of this API call should return "idToken" as one of the field Here are the Acceptanc...
I'm seeking an intermediate-...embedded systems developer specialized in the use of interrupts in parallel programming. A knack for solving synchronization issues and implementing real-time functions is imperative. Your responsibilities will include: - Develop and optimize various IoT devices, automotive systems, and medical devices - Solve synchronization problems efficiently - Implement real-time functions effectively The ideal candidate should have: - Solid experience in embedded systems development - Knowledge of interrupts for parallel programming - Familiarity with IoT devices, automotive systems, and medical devices With your digital dexterity, you will propel our diverse projects towards success, leveraging the benefits of parallel programmi...
I'm looking for seasoned blockchain developers, proficient in creating, testing and implementing smart contracts using Solidity. Here's what I need: - Token creation and distribution: I require a smart contract that can efficiently create and distribute tokens. - Current smart contract: The project requires the creation of a significant modern smart contract. Please choose your coding language as Solidity, but flexibility and the ability to work with other languages as the project evolves will be advantageous. The ideal candidate would have a strong command of Ethereum and the Solidity language. Proven experience in developing similar projects would be crucial.
A reliable database migration specialist (with previous email campaign setup skills) with their own computer and internet to work from home. You will be working with the Microsoft SQL server, experience is preferred but not essential to be an expert. Anyone with generic database experience (with different databases) can also apply. Skills already acquired from previously doing this work: - Understand database schema - understand database structures - create database tables based on bespoke requirements (training included) - Working with relatively large sets of data - has exporting skills into SQL - Excel and VBA, - Has experience in different querying languages - Proficient in Microsoft SQL Server Management Studio - Familiarity with Windows OS - ...
I'm seeking an Arabic and English proficient interpreter available for remote services for my attorney-client meetings. The focus of my practice is predominantly within family law. Tasks & Expectations: - Proficient in English and Arabic for effective communication between myself and my Arabic-speaking clients - Knowledge and comprehension of family law terminologies - Must retain absolute confidentiality and professional demeanor throughout Ideal Skills & Experience: - Interpreter should have expertise in legal or family law jargon - Proven experience in remote interpretation work with demonstrable proficiency in both Arabic and English language - Patience, professionalism, and the ability to handle sensitive case information with discretion and integrity ...
I'm in search of a DevOps engineer experienced with AWS services, specifically in setting up and managing Amazon Elastic Beanstalk. I require direct assistance for my project, which is small and simple in nature. Ideal skills and experience: - Depth understanding of AWS services - Mastery in Amazon Elastic Beanstalk setup and configuration - Knowledge of AWS application deployment paths and best practices - Experience working with various sizes of applications, preferably small and simple ones Programming language used for the application has not been specified, hence, adaptability is key in this project. I look forward to your bids and expertise.
I'm in need of a specialized expert to carry out an implementation of the NTT (Number-Theoretic Transform) module on a Xilinx Artix-7 FPGA. The main objective of this project is to enhance computational performance. Key requirements include: - Proficient understanding of FPGA programming, particularly expertise in the Xilinx Artix-7 platform. - An in-depth experience in Number Theoretic Transforms. - Ability to develop a highly efficient, low latency, energy-efficient implementation that significantly boosts computational performance. Please only bid if you feel fully confident in meeting these requirements. Your expertise in this niche task will be highly valued.
...experienced C programmer to create an IEC-104 slave application from a Modbus TCP/IP implementation done in C for Linux. This application will run on Debian and will be primarily used for monitoring and logging purposes. Key Deliverables: - Develop IEC-104 slave application - Implement monitoring and logging functionalities - Ensure seamless integration with existing Modbus TCP/IP implementation Ideal Skills and Experience: - Proficiency in C programming - Experience with Linux, particularly Debian - Prior exposure to Modbus TCP/IP and IEC-104 protocols - Strong understanding of monitoring and logging systems - Ability to deliver clean, efficient and well-documented code If you have prior experience in similar projects or have a strong background in industrial ...
I require a skilled Verilog RTL Designer to work on a project that involves designing at an advanced architecture level. Key Requirements: - Proficiency in Verilog: You should have extensive hands-on experience with the Verilog hardware description language as this is the preferred language for this project. - Advanced Architecture Experience: You should be comfortable working with complex RTL design architectures. - Independent Worker: You need to be able to take the lead on designing and debugging RTL without constant guidance. Your primary goal will be designing RTL in Verilog for an advanced architecture. You should be able to translate high-level product specifications into RTL designs, and efficiently debug and test your work. Ideal Skills: ...
I'm in need of a skilled content writer specializing in personal finance and investing. The target audience for this financial blog are beginners and intermediate level readers. Key requirements: - Avid personal finance and investing knowledge - Previous experience writing for financial blogs - Ability to develop engaging, informative content - Understanding of content marketing strategies - Excellent grammar and language structure - Consistent availability to produce two blog posts a week Please include samples of your previous work in your proposal. I look forward to seeing how you can help make this blog a valuable resource for its intended readers.
I am looking for a skilled freelancer to develop an application and website for me. Unfortunately, I haven't provided answers to specific questions about the purpose, technology stack, or design style. It’s about one type of courier service app. Features I need in App: Payment Gateway, Booking For example: I need to send one thing from my location to my friend’s location. So, I will use this app and this app will give me estimated quote as per the dimension and weight of the box or thing. This app will send driver to my location and will deliver the box to my friend’s location and throughout this process, I can track where the driver is going? Is the box delivered or not? So, this is the concept of the application This project will req...
...marketable for job applications. The ideal freelancer should have a strong understanding of Github and portfolio marketing. Key functionalities should include: - The ability to bookmark my repositories - A sorting feature to categorize repositories by programming language - A filtering feature to display repositories by the date they were last updated Additionally, it should aid in providing: - Clear and comprehensive project descriptions - Showcase of my completed projects This person should leverage Readme files for the project descriptions and include the ability to upload screenshots or images of project interfaces. Attention to detailed organization and user-friendliness will be key for success in this project. A background in bot...
...have an IPA file (executable) and the objective is to add in certain features (very simple features to begin with for this part 1 of the improvement) and possibly remove some useless features / calculations that may not be needed. Simply a cleanup of the UI. There is no major change into the design and purpose of the app, its simply just as stated; removing redundant features and to add some life improvements to the current App. Feel free to ask me any questions if you want a more in detail description and or images to the current app. Mind you we will be screening candidates to work with before replying to your message as from previous work we notice a lot of automated bidders and responders. A little detail about the app: - It is s...
As an es...established business relying heavily on a comprehensive tech stack, I'm in need of a seasoned .NET developer for a variety of tasks. Key responsibilities include: - Review and optimization of existing front-end, back-end, and database systems - Ongoing maintenance, troubleshooting, and improvements to enhance system performance Ideal candidates for this project should have prior experience with: - Front-end development utilizing HTML/CSS - Backend technologies such as SQL Server and Entity Framework - A strong grasp of the .NET framework This role is crucial to the successful functioning of our systems, so a proactive, detail-oriented approach and excellent problem-solving skills are must-haves. Your ability to communicat...
I'm ready to dive into learning Spanish from scratch. It's a personal pursuit, an investment that would deeply enrich my life. The pace I have set is rigorous - a lesson every day. Ideal Candidate: - Native Spanish speaker - At least 2 years of experience teaching beginners - Equipped to teach daily lessons - Able to inspire and foster personal interest Your primary task will be to lay a solid foundation for basic Spanish, infuse passion into lessons, set me on a path to discover the beauty of the Spanish language and motivate daily learning.
I'm in search of a Chinese instructor who can help me develop a beginner level proficiency in the language. I'm taking on this challenge mainly for personal interest, to enrich my cultural knowledge and broaden my horizons. Due to the convenience it offers, I'd prefer the lessons to be conducted online. In terms of the ideal candidate, I'm looking for someone who has: - Proficiency in the Chinese language, especially in beginner-level teaching. - Previous experience teaching Chinese as a foreign language. - Strong communication skills and a patient demeanor. - The ability to conduct engaging and interactive lessons through an online platform.
Currently in need of a proficient freelancer for converting my book from PDF to Word format. As unsure if the final Word file should retain the formatting of the original PDF, passages in the book do not seem to need specific attention to detail like conversion of images, tables, graphs, etc. Ideal Skills and Experience: - Proficiency in PDF and Word. - High attention to detail. - Excellent command of the English language. - Prior experience in book or similar document conversions. Please bid if you have the experience and skills to undertake this project.
Confirmis () is a Singapore-based business information provider specializing in connecting businesses with global capabilities; comprised of industry veterans, Confirmis's business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision-making, particularly in developing economies. THE JOB DESCRIPTIONS & REQUIREMENTS: 1. Research the provided [individual(s) or Party(s)] in all litigation sources in both native language and English. 2. Research the provided [individual(s) or Party(s)] in all bankruptcy and insolvency sources in both native language and English. 3. Conduct research on the provided [individual(s) or Party(s)] in all local and national news media and social media in both the nativ...
I need an experienced Python programmer to convert my existing Python function. The original function, using Selenium, extracts JSON requests from a designated website that employs small redirects before enabling access. • Task: Conversion of a Selenium-based Python function into a request session. • Key Experience: While a general knowledge of Selenium and web scraping can be useful, the task requires a deep understanding and experience in Python programming ans SMAL security. Freelancers willing to undertake this project should emphasize their Python experience, among other qualifications, in their application particularly on how to handle saml redirects. Understanding of handling JSON requests will be an added advantage.
"Please go through the PDF attached before applying." I need an expert in TikTok's community guidelines and social media platforms to review flagged videos for compliance with community guidelines. Key responsibilities will include identifying and reporting content violations. A background in content moderation would be ideal, although it's not a hard requirement. Given the nature of the job, proficiency in written and spoken language is assumed, though no specific requirement was mentioned.
About the Company: We are seeking a skilled and experienced freelance poker article writer to create engaging and informative content for our online poker affiliate website. The ideal candidate will have a deep understanding of poker strategies, tournament formats, and industry news, as well as a proven ability to craft SEO-friendly articles that attract and retain readers. Responsibilities: - Only need one article. - Write engaging and informative articles about poker, including general topics, strategy guides, and news about our partner poker rooms. - Conduct thorough research to ensure articles are accurate and up-to-date. - Optimize articles for SEO using Rank Math to achieve a score of 80 or higher. - Incorporate relevant keywords naturally throughout the ...
I'm looking for a proficient translator, well-versed in cardiology, to translate a range of medical texts from English to Arabic. The texts will be primarily used for patient information purposes. Your knowledge and experience in the medical field, specifically cardiology, will be a huge advantage. Key Skills Required: - Proficient in English and Arabic - Background in medical translation, specifically cardiology - Understanding of medical terminologies pertaining to cardiology - Ability to present complex medical information in language understandable to patients Main Responsibilities: - Translate medical texts related to cardiology from English to Arabic - Ensure translated texts maintain original meaning and tone - Proofread translated texts for gramma...
...create an efficient CUDA kernel implementation of a uniform histogram having 256 bins. The extreme edges of your histogram will be defined by the minimum and maximum values of the sequence of numbers being processed . Therefore two kernels need to be implemented in order to obtain those values Key Requirements: - You must provide REGULAR updates to me where you post screenshots and update me. - There must be clear and understandable comments in the code throughout the entire code. - Any comments written in the code must refer to technical concepts regarding Parallel Computing - You will have to write a small report where you discuss the details of the project and Parallel Computing concepts and technicals. You must also review a few pages of a report to en...
I am seeking help to develop a script that automates product listing and provides unique auto-replies for each product on Facebook marketplace. The solution needs to accommodate our catalogue, where every product has its own distinct description. Main tasks: 1. Autolist products on Facebook 2. Auto-reply to inquiries uniquely for each product Skills & Experience needed: • Proficiency in PHP, Python, or comparable scripting language • Familiarity with Facebook API • Professional experience with Autolisting and Auto-reply scripts • Knowledge of e-commerce product management • Strong understanding of product-specific responses Your solutions should streamline our operations and offer a higher level of customer engagement. The auto-reply ...
I'm looking for a proficient PHP developer who can help me with parameterizing a MySQLi query in my project. Specifically, I need assistance with data retrieval operations. Key requirements: - Proficiency in PHP: You should have a strong grasp of PHP programming. - MySQLi Query Parameterization: The ideal candidate should be experienced in properly parameterizing MySQLi queries. - Data Retrieval: The primary task will be focused on data retrieval operations. The project may include: - Handling multiple parameters: You should be comfortable working with queries that handle multiple parameters at once. - Optimization: Ensuring the queries are optimized and secure. It's a relatively straightforward task for a skilled PHP developer with M...
I'm looking for a proficient developer who's familiar with both TradingView PineScript and TradeStation Easy Language. Your task will be to convert (about 60 lines of code) of existing script, which focuses on indicators only, into Easy Language. A major part of this project will involve working with a kernal regression indicator. Your expertise with this specific indicator in PineScript and Easy Language is of utmost importance. Knowledge in different indicators like moving averages, average true range and RSI would be beneficial, but the core focus includes kernal regression. Lastly, the converted script should include customizable parameters for the bandwidth of the kernel regression indicator. To be successful in this role, ...
I'm currently working on a programming project and I'm in need of a skilled programmer to provide me with some much-needed assistance. Unfortunately, I didn't specify the programming language, tasks needed, or the overall goal of the project when posting this job. I'm looking for a programmer who can help guide me through my project, provide some coding assistance, and help me understand and implement the solutions. Key Skills: - Strong programming skills in various languages (preferred Python, JavaScript, Java) - Ability to troubleshoot and debug code - Good communication to explain complex programming concepts in simple terms. If you're a patient, experienced programmer who can help me see this ...
Seeking an adept video editor proficient in advanced editing techniques, including color grading and effects, for YouTube content. Responsibilities: * Edit raw footage for a polished, professional YouTube output * Utilize advanced techniques like color grading and unique effects * Create eye-catching thumbnail images to enhance video promotion * Ensure edits meet YouTube's quality standards Requirements: * Proficiency in advanced video editing and thumbnail design * Familiarity with YouTube algorithms and successful video characteristics * Creativity, resourcefulness, and ability to meet social media deadlines * One video per week and four videos per month.
...need of a creative writer who can help me create a children's book that is targeted towards 3-7 years old. The primary objective of this book is to instill Christian values in a way that is engaging and easy for young children to understand. Key Points: - Age Group: The book should be suitable for preschool to 2nd grade children, so it's important to use language and concepts that are appropriate for this age group. - Christian Values: The main theme of the book is to teach Christian values. The writer should have a strong understanding of Christian principles and be able to convey them in a way that is meaningful and relatable to preschoolers. - Animal Characters: I'd prefer the story to be ...
I'm looking for a skilled developer to create a Tibia server with specific requirements. I would like one like it Key Requirements: - Multiclient Tibia 13.3 with built-in support for Tibia 10 (magebot, elfbot) - A system similar to with the website at least matching this quality - Integration with new quests and monsters to enhance gameplay - Implementation of cast system - Completion within a month Ideal skills and experience: - Prior experience in creating custom Tibia servers - Proficiency in programming languages necessary for this task - Strong understanding of Tibia gameplay mechanics - Ability to implement new quests and monsters - Experience in creating a cast system - Prior history of delivering projects within tight deadlines...
We're in search of a highly versatile .NET developer for our undisclosed project. While we haven't stated specific skills or project type, candidates should have: - Broad knowledge in .NET and its most popular programming languages (i.e., C# programming, ASP.NET development, and SQL database) - Experience in various .NET projects (i.e., web and desktop applications, as well as enhancement of existing .NET applications) - Proficiency in Windows, Linux, and Mac development platforms Your flexibility and adaptability are our key considerations as project specifics will be discussed upon engagement.
I've built a web application using .NET for the backend, Angular for the user interface, and SQL database. Now, I'm looking for someone to help me publish this website on the cloud and make it live. It's a small web app designed for a local business, with a limited number of users (around 15-20). Because of this, I'm aiming to keep costs as low as possible. I'm open to suggestions on which cloud platform would be best suited for this project. If you're interested in taking on this task and helping me get my website up and running, please reach out. Thank you!
...with MySQL skills to help me write a query or script. This task involves calculating the sum of items across three tables.. The complexity lies in filtering the said items between a certain date range and by a specific field value. Ideal Skills & Experience: • Proficient in writing SQL queries • Knowledge on MySQL, specifically on data manipulation among multiple tables • Excellent understanding of database design and principles • Problem solving ability to handle complex programming scenarios. Please note, I didn't provide the names of the fields to be summed in each table. So, the chosen freelancer will need to work with me and understand the complex structure of my database in order to pull this off. Therefore excellen...
I'm in search of a skillful programmer with a solid background in Pine Script language and a good understanding of TradingView's indicator functionalities. The main task is to build a custom indicator that includes Bollinger Bands, Exponential Moving Averages (EMA), and Relative Strength Index (RSI). Key Requirements: - Apply two EMA's within the main window. - Bollinger Bands should also be displayed in the main window. - Integrate Stochastic Oscillators with the above-mentioned two EMAs and RSI below main window This script should also allow specific customization aspects: - Setting the EMA period. - Modifying the Bollinger Bands period. - Adjusting the Bollinger Bands standard deviation. -adjusting %K&D,slowin...
I'm looking for a skilled developer to create a custom Tibia 8.6 server that integrates various unique features, aimed at attracting and retaining a significant player base. Key Requirements: - Development of a Tibia 8.6 server with integrated bot, automatic events, and a custom map containing numerous cities. - Inclusion of custom monsters, additional quests, improved PvP system, cast system, hunted system, and tasks for players. These elements are crucial for enhancing the game's depth, challenge, and appeal. Key Skills & Experience: - Extensive experience in Tibia 8.6 server development, including the integration of bots, event systems, and unique map creation. - Strong understanding of game design and mechanics, particularly in the...
...stats + relevant opponent data. * SQL queries designed for meaningful performance insights. * Analysis reports with visualizations focused on: * Player performance over time * Our strengths and weaknesses * How we compare to top teams * Map rotation analysis with suggested changes * Final presentation summarizing key findings & action plan. **Required Skills** * Expert SQL and querying, especially Google BigQuery. * Strong analytical skills with statistics experience. * Passionate about PUBG Mobile - understand gameplay and competitive scene. * Ability to turn data into actionable insights and present clearly. **Desired Skills** * Experience with video analysis tools. * Previous work in esports analytics or similar competitive fields is a...
I am looking to develop a series of 3D animated videos aimed at teaching preschool (ages 3-5) participants new language skills. The primary goal of these videos is language development and the desired animation style is cartoon-like. Key Components: - Appreciation for vibrancy: The animations should be lively and entertaining, especially since we're targeting a young age group. - Language Complexity: The language used should cater to preschool learners. This requires expertise in language development for early childhood education. - Multiple Episode Creation: This will be an ongoing project, with multiple episodes to be created over time. Ideal Skills and Experience: - Proficiency in 3D Cartoon Animation - Background...
I'm seeking an online tutoring job, particularly in the English Language domain. I have professional level proficiency in English, which will enable me to tutor effectively. I am especially interested in this job as it would allow me to not only contribute financially but also help to improve my language skills. Applicants with past experience in English tutoring are preferred. Proficiency in the English language is expected for the job.
I'm looking for a skilled web developer to create an advanced online tutor booking website with a focus on tutor search and booking. Key Features: - Users should be able to seamlessly interact with the site on both web and mobile platforms. - The site should offer advanced interactivity, including video calling and interactive calendars to enhance the tutoring experience. Skills and Experience: - Proven experience in developing similar platforms with a focus on user interaction and engagement. - Proficiency in integrating advanced features like video calls and interactive calendars on a website. - Familiarity with designing for both web and mobile platforms to ensure a smooth user experience across devices.
I am looking for a PERL, HTMX, MYSQL programmer who can help me with an intermediate level project. The ideal candidate should have experience in these areas and be comfortable starting a project from scratch. I will give you a dump from my MySQL table. From which I need an interactive HTML interface, based on Perl, HTML, HTMX to this table. I need to be able to search, add, edit and delete entries as well as combine two entries into one, all via one HTML::Template file with a single perl script as interface to the MySQL table. I do want an active submit button for all changes, as well as a single interactive upload button for each field of the MySQL table. also each field needs to be validated via a given specification. All code needs to be well d...
I am seeking a skilled developer to integrate a custom data source into Tradingview charts in real-time. I’ve attached a screen shot pointing with yellow arrow the area or the pane where i want my custom data to be displayed. Please check the following on tradingview to get clear idea - Trade-o-Scope: Plot Custom Data Key Requirements: - Developing a custom data source to feed real-time data into Tradingview charts - Automating the updating of this custom data source at fixed intervals - Ensuring the data source is seamlessly integrated with Tradingview Ideal Candidate: - Proficient in Tradingview's Pine Script language - Experienced in developing custom data sources - Skilled in real-time data integration - Familiar with automating d...
As a client looking to develop a project centered on image recognition on Handwriting Character Recognition, I require a proficient Deep Learning Engineer who has expertise in Python programming. The core of the deployment involves: - The development of an effective image recognition system - Efficient use and application of PyTorch as the preferred platform The ideal candidate for this project exhibits the following skills and experiences: - Significant knowledge and experience in Python - Extensive understanding of PyTorch - Prior experience with image recognition projects Please ensure you have a strong grasp of the above-mentioned skills before bidding on this project. I look forward to meeting a dedicated professional who can deliver o...
To avoid common pitfalls, follow these guidelines while working with SQL queries.