How to Use GROUP BY and HAVING Clause in SQL
When working with SQL, you’ll often need to group data to analyze and summarize it. The GROUP BY statement makes this possible by allowing you...
Aggregate Functions in SQL with Syntax and Examples
When working with databases, analyzing data is often just as important as retrieving it. SQL provides several aggregate functions to help you summarize and analyze...
How to Select Specific Columns in SQL?
When working with databases, you rarely need to retrieve every column from a table. Instead, you often select specific columns to get only the data...
Limit Results on SQL Server: Using the SQL TOP Statement
When working with large datasets in Microsoft SQL Server, you don’t always need the entire result set. Sometimes, you only want a part of the...
Your First SQL Query: Using SELECT to Retrieve Data from a Table
Writing your first SQL query can feel like a big leap, but trust me, it’s much simpler than it seems once you get used to...