4 docs tagged with "queries"

Master the SQL DELETE command. Learn how to remove specific rows, clear entire tables, and understand the difference between hard and soft deletes.

Learn how to add new records to your database using the SQL INSERT INTO statement. Covers syntax for partial and full row insertion.

Master the SQL SELECT statement. Learn how to fetch specific columns, use aliases, and perform calculations on retrieved data.

Learn how to modify records in a table using the SQL UPDATE command. Understand how to update single or multiple columns safely with WHERE clauses.