#sqltips 検索結果
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
🔥 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
💻 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
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
Say goodbye to challenging queries! Read the description to the end and Save it. We have the beginner-friendly tricks you need to make your SQL code fly. 🚀👩💻👨 Also, make sure you don't miss out on our reel tomorrow we will be sharing downloadable files on queries #SQLTips
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
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…
Use WITH (CTE) for better readability & performance! #MySQL #SQLTips #Database #SEO #DataOptimization
Found this SQL cheatsheet helpful? 🚀 Want more? Tell us in the comments what you'd love to see next! 👇 #SQLTips #CheatsheetGoals #Programming #Datascience #tech #coding #SQL
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
¿Has usado subconsultas? 🤓 Son consultas dentro de consultas que te permiten obtener datos de múltiples tablas de manera eficiente. #Subqueries #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
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
Day 20/30 – Monthly Revenue Growth Rate Used SQL window functions to calculate month-over-month revenue growth. A clean dataset + smart query = deep insight. #SQLData #RevenueGrowth #Analytics
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
Day 20/30 – Monthly Revenue Growth Rate Used SQL window functions to calculate month-over-month revenue growth. A clean dataset + smart query = deep insight. #SQLData #RevenueGrowth #Analytics
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
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
Smart indexes = faster queries ⚡ Learn how to use bitmap scans, covering indexes & fillfactor to make PostgreSQL fly. medium.com/@lakshyakumars… #PostgreSQL #Indexes #SQLTips #DatabasePerformance
SQL Tip of the Day: Add Computed Columns to Simplify Reporting ALTER TABLE Orders ADD total_price AS (unit_price * quantity); Keeps business logic inside the table. #SQLTips #DataModeling #Reporting #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
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
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
SQL Cheetsheet .............. #SQLCheatsheet, #SQLTips, #SQLTutorial, #SQLDatabase, #SQLQuery, #SQLHelp, #SQLProgramming, #SQLBasics, #SQLTools, #SQLLearning
💻 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
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
Day 20/30 – Monthly Revenue Growth Rate Used SQL window functions to calculate month-over-month revenue growth. A clean dataset + smart query = deep insight. #SQLData #RevenueGrowth #Analytics
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
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…
Use WITH (CTE) for better readability & performance! #MySQL #SQLTips #Database #SEO #DataOptimization
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