#sqltips Suchergebnisse

A relational database is just organized tables connected with logic. SQL is how you talk to that logic. #Databases #SQLTips #TechLearning youtube.com/playlist?list=…

𝗟𝗲𝘁’𝘀 𝗶𝗻𝘀𝗲𝗿𝘁 𝗱𝗮𝘁𝗮 𝗶𝗻𝘁𝗼 𝗼𝘂𝗿 𝗦𝗤𝗟 𝘁𝗮𝗯𝗹𝗲 😊 ✅ INSERT INTO… to add your records ✅ SELECT… to check your insert ✅ Quick tips to avoid common mistakes What was the first mistake you made while inserting your data? #SQLServer #SQLTips #dataanalytics

Use keyboard shortcuts to activate multiple cursors and edit multiple lines of code at the same time in SQL Server Management Studio. wiseowl.co.uk/microsoft-sql-… #SQL #sqltips #sqltraining #SQLServer

Let’s create a database and a table in two ways: ✅Database: Under Object Explorer OR manually CREATE DATABASE ; ✅Table: Under Object Explorer OR manually CREATE TABLE… Simple, beginner-friendly, and easy to practice. More SQL tips loading..😊 #SQL #DataAnalytics #SQLTips

Day 21/30 – Discount Impact Analysis Used SQL CASE WHEN logic to compare full-price vs. discounted sales. Discounts don’t always mean higher profits. #SQLTips #EcommerceAnalytics #RevenueOptimization

Master SQL Unpivoting! Learn UNION ALL, UNPIVOT, and CROSS APPLY to turn wide data into long, report-ready data efficiently. #SQLTips 📄 scriptdatainsights.blogspot.com/2025/11/sql-un… 🎬 youtube.com/shorts/V2_USWL… ❓ Which method is fastest?

BETWEEN → selects values within a range ✅ WHERE price BETWEEN 10 AND 50 IN → selects values from a list ✅ WHERE category IN ('Books', 'Games', 'Toys') Think: BETWEEN = range, IN = list 📝 #SQLTips #TSQL #LearnSQL #Database

SQL Trick: How to "Unpivot" Data! Use "UNION ALL" (simple) or "CROSS APPLY (VALUES)" (efficient) to turn columns into tidy rows for better reporting. 🔗scriptdatainsights.blogspot.com/2025/11/sql-un… 🔗 youtube.com/shorts/V2_USWL… #SQLTips #Data

When using indexing on a column, consider the data distribution: if your data is skewed (e.g., mostly one value), a covering index can improve query performance by reducing I/O operations. #databaseoptimization #sqltips

UDFs in SQL = custom functions for tailored logic! Write once, use often. Save time & keep code clean! #SQLTips milvus.io/ai-quick-refer…

Need Top N per Group in SQL? Use "ROW_NUMBER() OVER(PARTITION BY...)" to rank data per group, not GROUP BY! 🔗scriptdatainsights.blogspot.com/2025/11/sql-wi… 🔗 youtube.com/shorts/rIBNvtr… #SQL #WindowFunctions #SQLTips

Cheat Sheet: ROW_NUMBER() → Unique, use for top N RANK() → Ties with gaps, use for competitions DENSE_RANK() → Ties no gaps, use for leaderboards #SQL, #SQLTutorial, #SQLTips

DENSE_RANK() → Same score = same rank, no gaps sql Use when: You want continuous ranking. #SQL #SQLTips

RANK() → Same score = same rank, gaps after sql Use when: You want tied rankings #SQL #SQLTips

Ever wonder why your “top 3” query returns 5 rows? It’s RANK vs DENSE_RANK — and today you’ll master all 3 in under a minute. Here’s the dataset: Let’s rank by score↓ #SQL #SQLTips

📊 SQL Query of the Day 📊 Want to combine data from two tables? Here’s how: 👉 This query matches students with their scores Now you can pull names and grades together in one clean result. 🎯 Did you know about JOIN before, or is this new for you? #SQLTips #LearnSQL…

Good SQL returns results. Great SQL returns insights. Write queries that matter. #SQLTips #Data #Database #AnalyticsCommunity

#SQLServer #ContainedAG #SQLTips #TechBlog #SQLTraining #sqlserver2022 #SQLfam #SQLcommunity #LearnSQL #sqlfam #SQL2025 #sqlserver2025 #sqlserver2022 #microsoftpartner #it #informationtechnology #coding #programming read the full blog at na2.hubs.ly/H01MXkD0

SQL Tip of the Day: Use LEFT & RIGHT to Extract Fixed-Length Strings SELECT LEFT(postal_code, 3) AS RegionCode FROM Addresses; Simple way to extract string chunks without SUBSTRING(). #SQLTips #StringFunctions #LearnSQL #TSQL

🔥 SQL Command Types Explained (With Examples) SQL commands are divided into 5 Main Categories based on their functionality. A thread 🧵👇🏻 #SQL #LearnSQL #SQLTips #SQLTutorial #DatabaseManagement #SQLQueries #SQLDeveloper #SQLForBeginners

Generate a range of number/date rows in SQL with GENERATE_SERIES Use cases: 1. Reporting on all dates: If your data does not have every date, but you want to report on them, use this. 2. Looping over series of values like numbers or dates #data #SQLtips #dataengineering

SQL Tuesday 💡 Want honest data? Start with smart constraints. ✅ PRIMARY KEY ✅ UNIQUE ✅ CHECK (age > 0) Clean queries begin with clean tables. -- #Tuesday #DataFellows #SQLTips #DataIntegrity #Air #Nigeria

Want to know how to work with date and time functions in SQL? 1) Extract Year from Date Use the YEAR() function in SQL! This will return the year from each order date in your dataset. Simple and efficient! 🗓️ #SQLTips

SQL Cheetsheet .............. #SQLCheatsheet, #SQLTips, #SQLTutorial, #SQLDatabase, #SQLQuery, #SQLHelp, #SQLProgramming, #SQLBasics, #SQLTools, #SQLLearning

Struggling with SQL errors? We've all been there!🥲 These common errors might be the reason. Learn how to spot and fix them ASAP for a smooth SQL journey #SQLError #DataAnalysis #SQLTips #TechStruggles #LearnAndGrow #Database #CodingChallenges #TDI #TdiCommunity

💻 Ready for a Friday SQL Hack tip before the weekend kicks in? 🥳 Use COALESCE to make sure NULL values don’t spoil your data vibe! 👇 Start your weekend right with data that looks this good. 🥂 Let’s make our data as flawless as our weekend plans. #SQLTips #Datafrik

A lot of time, you don't want to interact with null values in databases when you are working as a data analyst. Let's discuss that in this thread. #DataCleaning #SQLTips #DataQuality #SQLFunctions #DataWrangling #DatabaseManagement #DataPreparation #DataAnalyst #DataAnalysis…

Happy Friday, #DataFam🎉 Did you know subqueries can make your SQL queries more powerful? Here’s a quick hack to make your WHERE clause smarter. 👇 💬 Have you used subqueries in your queries before? Try it out and let us know your thoughts #FridayFun #SQLTips

1/1 🔍 Decoding SQL's Mystery: Embracing Three-Valued Logic and Null Values 🤔 Did you know? In SQL, when null marks absent data, it ushers in a unique three-valued logic. When null impacts logical expressions, truth blurs into the unknown. #SQLtips #viralpost #keySkillset

Day 21/30 – Discount Impact Analysis Used SQL CASE WHEN logic to compare full-price vs. discounted sales. Discounts don’t always mean higher profits. #SQLTips #EcommerceAnalytics #RevenueOptimization

If I use mysql_escape_string() in Yii, will it finally pass the vibe check or will it just vibe on its own?" Source: devhubby.com/thread/how-to-… #YiiTips #SQLTips #PHPTips #SecureWebDev #yiiframework #yii

𝟔 𝐁𝐚𝐬𝐢𝐜 𝐒𝐐𝐋 𝐓𝐫𝐢𝐜𝐤𝐬 𝐭𝐨 𝐌𝐚𝐤𝐞 𝐃𝐚𝐭𝐚 𝐖𝐨𝐫𝐤 𝐒𝐦𝐨𝐨𝐭𝐡𝐞𝐫 #SQLTips #LearnSQL #DataSkills #DatabaseHacks #SQLForBeginners #CleanCode #AI #AINews #AnalyticsInsight #AnalyticsInsightMagazine Read More👇 zurl.co/ytJ8a

¿Tu LIKE en PostgreSQL ignora el índice? 😱 Spoiler: el problema no es LIKE, es el COLLATE. En es_ES.UTF-8, el orden no es byte a byte y PostgreSQL salta el índice. ✅ Usa text_pattern_ops 🧠 De 60ms a 0.15ms. 👉 hopla.tech/optimizacion-b… #PostgreSQL #SQLTips

¿Alguna vez has sentido la frustración de unir textos en SQL y que simplemente no funcionen como esperabas? 🧐 Descubramos juntos cómo la función CONCAT puede ser tu salvavidas en el mundo de SQL. ¡Te sorprenderás con lo que puedes lograr! #SQLTips #DataScience…

¿Tu base de datos sufre con búsquedas tipo LIKE '%texto%' en PostgreSQL? 😓 Te explicamos cómo usar collation 'C', trigramas y GIN con gin_trgm_ops para acelerar consultas pesadas. 👉 hopla.tech/we-like-postgr… #PostgreSQL #SQLTips