Even the most experienced MySQL developers continue to learn throughout their working lives. New methods and various professional tips become the MySQL community asset. By sharing them, all professionals help their colleagues stay on the edge.

The current Best practices for writing MySQL queries white paper is a guideline with coding tips concerning the most fundamental SQL statements. The white paper covers the following sections:

• SQL REPLACE: Tips to find and replace SQL texts easily and quickly.
• SQL UPDATE with JOIN: Tips that allow you to execute SQL UPDATE with JOIN, including adding an OUTPUT clause to the UPDATE statement, using TRY... CATCH to manage errors, and handling transactions with BEGIN TRANSACTION,
• COMMIT/ROLLBACK TRANSACTION.
• SQL INSERT INTO SELECT: Tips to avoid duplicates, including INSERT INTO SELECT DISTINCT, WHERE NOT IN, WHERE NOT EXISTS,
• IF NOT EXISTS, and COUNT(*) = 0.
• SQL DELETE: Tips to delete records with JOIN, LIMIT, a subquery, or based on the conditions specified in the WHERE clause.
• SQL INDEX examples: Index examples that may help you optimize your queries.

We hope this white paper will help programmers of all levels perform their MySQL tasks faster and easier.