database

If you’ve been learning SQL and wondering what is FULL OUTER JOIN in SQL, I will try to explain in […]

When working with SQL, understanding what is the difference between LEFT JOIN and RIGHT JOIN is crucial for retrieving data

If you’re working with SQL, understanding how to do INNER JOIN in SQL is essential. INNER JOIN is one of

When working with SQL, you’ll often need to group data to analyze and summarize it. The GROUP BY statement makes

When working with databases, analyzing data is often just as important as retrieving it. SQL provides several aggregate functions to

When working with databases, you rarely need to retrieve every column from a table. Instead, you often select specific columns