WHERE Clause

Database cylinder connected to symbols for adding, editing, and removing customer contact records

How to Use INSERT, UPDATE, and DELETE in SQL

August 28, 2026

Practice changing database table data with SQL INSERT, UPDATE, and DELETE statements, including safe filtering with WHERE and customer record examples.

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Customer records highlighted in a filtered relational table for SQL data retrieval

SQL SELECT Queries: Read and Filter Customer Records

August 25, 2026

Learn the basics of SQL SELECT queries by reading customer data, choosing specific columns, and filtering records by city with WHERE.

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