#learnsql 搜尋結果

🧠 LIKE helps you match text patterns in columns. Use wildcards: % → any number of characters _ → one character Example 👇 SELECT * FROM Person.Person WHERE FirstName LIKE 'A%'; ✅ Everyone whose first name starts with A. #LearnSQL

📊 Step 3: Filter Ranges with BETWEEN SELECT * FROM Sales.SalesOrderHeader WHERE TotalDue BETWEEN 5000 AND 20000; ✅ Orders with totals between ₦5,000–₦20,000. Works for numbers, dates, and ranges. #learnsql

🧠 Step 1: Remove Duplicates with DISTINCT DISTINCT shows only unique values. SELECT DISTINCT CardType FROM Sales.CreditCard; ✅ Returns each credit card type only once. Perfect for unique lists. #learnsql

📊 Step 2: Sorting Data (ORDER BY) ORDER BY arranges results in ascending (ASC) or descending (DESC) order. SELECT * FROM Sales.CreditCard ORDER BY CardType; ✅ Lists all cards alphabetically. Use DESC to reverse it 👇 ORDER BY CardType DESC; #LearnSQL @Rita_tyna

🧠 Step 1: Filtering Data (WHERE Clause) WHERE tells SQL which rows to show — just like Excel filters. SELECT * FROM Sales.CreditCard WHERE CardType = 'Vista'; ✅ Shows only Vista credit cards 💳 #LearnSQL #DataSkills @ibn_wittig @OboniiX

🧩 Your First SQL Query To view all records in a table 👇 SELECT * FROM HumanResources_Employee; ✅ Shows everything from that table. To view specific columns 👇 SELECT ManagerID, LoginID, Title FROM HumanResources_Employee; #LearnSQL #DataAnalysis

💡 Day 1 – Learning SQL for Data Analysis (and You Can Learn Too!) We kicked off our daily SQL for Data Analysis series — breaking SQL concepts into simple, practical lessons anyone can follow. Let’s start 👇 #SQL #DataAnalysis #LearnSQL

Database filtering mastered! 🔎 Learn to use T-SQL WHERE clause to filter data precisely. Find exactly what you need, when you need it. tecknowledgellc.com/post/filter-da… #SQLTraining #DatabaseTraining #LearnSQL #TechTraining #OnlineLearning #TSQL #SQLServer #DatabaseQueries

💡 Learn SQL 📊 Control the data 🚀 Build your foundation #DataAnalytics #LearnSQL #DataAnalystJourney #TechHumor #ExcelToSQL #SQLForBeginners #AnalyticsLife

🔥 SQL Full Form #SQL #SQLTutorial #LearnSQL #SQLForBeginners #SQLQuery #SQLDatabase

Mastering SQL like a pro isn't hard! This SQL chart simplifies everything, DQL, DML, DDL, and DCL all in one place. From SELECT to WINDOW FUNCTIONS, it's all here. Save it, share it, and level up your SQL skills! #SQL #DataAnalytics #LearnSQL #Datafam

🔥 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

GRAB YOUR FREE COPIES NOW. 250+ Practical business scenarios with solutions in SQL. Multiple Databases. From beginner to advanced level. 1. DM me 2. Like & reply "yes" 3. Retweet 4. Follow. #sql #sqlforbusiness #learnsql #businessintelligence #DataScience #DataAnalytics…

🚀 SQL DATA TYPES SQL data types define the type of data that can be stored in a column. They vary slightly between different database systems like MySQL, PostgreSQL, SQL Server, and Oracle, but here are the common categories: A thread 🧵👇🏻👇🏻 #SQL #SQLTutorial #LearnSQL…

Is there a 'sort by chaos' feature I can use on VARCHAR columns in Oracle? Source: devhubby.com/thread/how-to-… #SQLDeveloper #TechTips #LearnSQL #TechCommunity #instaarchitecture #type

If a MySQL index went on a reality show, would it dominate or just calmly sip tea while organizing files? Source: devhubby.com/thread/what-is… #CloudDatabase #LearnSQL #WebDevelopment #DatabaseManagement #mysql #index

Still struggling to understand the difference between Identifiers & Constraints in SQL? I broke it down in a simple, beginner-friendly terms on LinkedIn feel free to read it here 👇 linkedin.com/posts/osele-jo… #SQL #DataAnalytics #LearnSQL #DataSkills #CareerGrowth

📅 Day 26 of #100DaysOfDataAnalysis Today, I worked with the ORDER BY clause in SQL It helps arrange query results based on one or more columns, either in ascending or descending order. It makes data easier to read and analyze #LearnSQL #DataAnalysis #100DaysChallenge #OrderBy

🧠 Step 1: Remove Duplicates with DISTINCT DISTINCT shows only unique values. SELECT DISTINCT CardType FROM Sales.CreditCard; ✅ Returns each credit card type only once. Perfect for unique lists. #learnsql

New to SQL? Let’s start simple. 🧠 This quick sketch shows how to filter specific rows from your database using a basic `SELECT` + `WHERE` query. Check the sketch 👇 #LearnSQL #CodeSketch #TechEducation #100DaysOfCode #AliTeachesTech

💡 Day 1 – Learning SQL for Data Analysis (and You Can Learn Too!) We kicked off our daily SQL for Data Analysis series — breaking SQL concepts into simple, practical lessons anyone can follow. Let’s start 👇 #SQL #DataAnalysis #LearnSQL

How many of these SQL topics do you know? 👇 Comment below! #sql #sqltutorial #learnsql #DataAnalytics #techskills #datascience #sqlserver #programming #bigdata #techeducation #sqlalchemy #dataanalysis #softwaredevelopment #TechCommunity #sqlbasics

Writing clean SQL is good — but writing understandable SQL is better. That’s where comments come in. here’s why they matter — and how to use them effectively 👇 🔗 Link: linkedin.com/posts/osele-jo… #SQL #LearnSQL #DataAnalytics #SQLTips #TimJonesTechHub #DataCommunity #Analytics

Start your SQL journey today! SQLZoo offers hands-on experience while W3Schools provides detailed tutorials. Also, explore LeetCode and HackerRank for more challenges. All are free and invaluable resources for anyone looking to learn SQL! 📈 #LearnSQL #DataScience #CodeNewbie

Is Oracle as good at taking date differences as it is at making mysterious predictions? 🔮 Source: devhubby.com/thread/how-to-… #LearnSQL #Programming #Oracle #DateDiff #difference #oracle