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🔗 Step 2: Combine Conditions (AND / OR) Use AND when both conditions must be true. Use OR when either can be true. SELECT * FROM Sales.SalesPerson WHERE Bonus > 0 AND SalesYTD > 1000000; ✅ Salespeople with bonuses and ₦1M+ sales. #sqltips

Did you know? 🤔 Indexing JSON columns in PostgreSQL can drastically speed up queries if you're frequently searching within JSON data. This can save you time when working with database optimization. #SQLtips

🔄 Using Both Together You can combine WHERE + ORDER BY: SELECT * FROM Sales.CreditCard WHERE CardType = 'Vista' ORDER BY ExpMonth; 💡 You can filter alone ✅ 💡 Or sort alone ✅ 💡 But don’t sort before filtering ❌ (it’ll throw an error) #SQLTips

Slow queries? 🐢 Add the right indexes ⚡ 💡 Index only columns you search/filter. Too many = slower writes. Right balance = rocket-fast queries 🚀 #SQLTips #DatabasePerformance #GrowXen #BackendDev

SQL Tip Of The Day Use COALESCE() to Chain NULL Alternatives SELECT COALESCE(email, phone, 'No contact info') FROM Contacts; First non-null wins. Use it in your reports? #SQLTips #DataCleaning #LearnSQL #TSQL

SQL Tip Of The Day Use TRUNCATE for Fast Full Deletes (Non-Logged) TRUNCATE TABLE TempData; Faster than DELETE, but no WHERE clause! Safe to use in your workflow? #SQLTips #Performance #DataCleanup #LearnSQL

SQL Tip Of The Day Use VALUES() for Multi-Row INSERT INSERT INTO Products (name, price) VALUES ('A', 100), ('B', 150), ('C', 200); Faster than one row at a time. Always batch inserts? #SQLTips #BulkInsert #LearnSQL #ETL

🚀 Level up your SQL game in 2025! 💻 Master window functions, CTEs, pivot/unpivot & dynamic SQL for smarter, faster data analysis. Ready to impress your team? 💡 #SQLTips #DataAnalytics #SQLHacks #TechSkills #CareerGrowth

Top 5 real-world use cases of the CASE statement in #SQLServer 🚀 Be in touch, @RakeshMen #SQLTips #LearningSQL #DataManipulation #Querying

SQL Tip Of The Day Use IIF() as a Shorthand for CASE SELECT IIF(score > 50, 'Pass', 'Fail') AS Result; Cleaner syntax in simple logic. Team IIF or CASE? #SQLTips #ConditionalLogic #LearnSQL #SQLServer

SQL Tip Of The Day Use GROUP BY ROLLUP for Subtotals SELECT region, product, SUM(sales) FROM Sales GROUP BY ROLLUP (region, product); Great for financial reporting! Used this for summaries? #SQLTips #Reporting #SQLRollup #LearnSQL

SQL Tip Of The Day Use sp_rename on Indexes Too EXEC sp_rename 'IX_OldName', 'IX_NewName', 'INDEX'; Keep your naming clean and standardized! Standardize your index names? #SQLTips #Indexing #Metadata #LearnSQL #SQLServer

What if your DB’s slow queries were hiding a simple fix? ⚠️ UUIDs fragment indexes, kill cache hits, and slow writes. Fix? Use time-based IDs (ULIDs/Snowflake) for ordered data. Result? Smaller indexes, faster queries. What’s your take? 🚀 #DatabaseDesign #SQLTips

SQL Tip Of The Day Use NTILE() to Create Percentile Buckets SELECT NTILE(4) OVER (ORDER BY score) AS Quartile FROM TestResults; Great for segmentation and analysis! Do you use NTILE for buckets? #SQLTips #WindowFunctions #DataAnalytics #LearnSQL

SQL Tip Of The Day Use IDENTITY Columns for Auto-Incrementing IDs CREATE TABLE Users ( id INT IDENTITY(1,1) PRIMARY KEY, name VARCHAR(50) ); Clean way to handle primary keys. Always use IDENTITY? #SQLTips #DatabaseDesign #LearnSQL #TSQL

#SQL #DataAnalytics #SQLTips #TechSkills #LearningSQL @LuxDevHQ @__ogero @gregorytechKE @HarunMbaabu

SQL Tip Of The Day Use ROWCOUNT to Limit Impact During Testing SET ROWCOUNT 100; DELETE FROM Logs; Only affects 100 rows. Good for dry runs! Use this in dev environments? #SQLTips #SafeTesting #DevOps #LearnSQL

What I learned today 💡: • ENUMs vs Lookup Tables 🚨 • Database Design Pitfalls ⚠️ • Relational Best Practices 🏆 Summary see below 👇 #LearnInPublic #DatabaseDesign #SQLTips

SQL Tip Of The Day Use PARSENAME() to Split Dot-Separated Strings SELECT PARSENAME('Server.DB.Schema.Table', 1); -- Table SELECT PARSENAME('Server.DB.Schema.Table', 2); -- Schema Helpful for parsing object names. Used this trick before? #SQLTips #StringParsing #SQLServer…

SQL Tip Of The Day Use TABLESAMPLE to Fetch Random Rows SELECT * FROM Orders TABLESAMPLE (10 PERCENT); For exploratory analysis and testing. Ever tried it? #SQLTips #RandomRows #Sampling #LearnSQL

🔥 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

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

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 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

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

Use window functions like ROW_NUMBER() to efficiently rank or paginate results without subqueries. Boost your query performance and clarity! 🚀 #Database #SQLTips #DataEngineering #SQLQueries #BigData

🔗 Step 2: Combine Conditions (AND / OR) Use AND when both conditions must be true. Use OR when either can be true. SELECT * FROM Sales.SalesPerson WHERE Bonus > 0 AND SalesYTD > 1000000; ✅ Salespeople with bonuses and ₦1M+ sales. #sqltips

In most relational DBs, SQL doesn’t support setting variables. If you want to set a variable's value in just one place, a recent tip I learned from AI is using like this: #SQLTips #Database #AI #TechLearning"

In SQLite, you can calculate how many days are left until a certain date like this example. julianday() converts a date to the number of days since year 0. Useful for date math in SQL. #SQLite #SQLTips #DateTime #DevTips

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

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

Delimiters causing data issues? I just shared a quick SQL trick for cleaning datetime/text fields using text functions + CHARINDEX() on LinkedIn.If you work with messy data, this one's for you Check it out 👇: linkedin.com/posts/osele-jo… #SQLTips #DataCleaning #DataAnalytics

¿Has usado subconsultas? 🤓 Son consultas dentro de consultas que te permiten obtener datos de múltiples tablas de manera eficiente. #Subqueries #SQLTips 🧠