Posts in: Databases

Deleting and Replacing Data in MySQL

Understand how to delete rows using DELETE and use REPLACE to overwrite existing rows or insert new ones.

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Writing Basic SELECT Queries in MySQL

SELECT is the most used SQL command. Learn how to retrieve specific columns and all rows.

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Filtering Data with WHERE Clause

Use WHERE to filter rows based on column values, conditions, and logical expressions.

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Sorting and Limiting Results in MySQL

ORDER BY helps sort results, while LIMIT restricts the number of rows returned. Use aliases to simplify column names.

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Control Flow Functions: IF and CASE in MySQL

Learn to apply conditional logic inside SQL queries using IF() and CASE statements.

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