SQL UPDATE for Targeted Single-Table Row Modification
Master the SQL UPDATE statement to efficiently and safely modify specific rows in a single table, ensuring data integrity and security.
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Mastering Targeted Updates with SQL UPDATE
Unit 1: Crafting and Refining UPDATE Statements
Anatomy of UPDATE
Single Column Updates
Multiple Column Updates
Data Type Considerations
Literal Values in UPDATE
Unit 2: Precision and Safety with WHERE Clauses
Targeted Updates
AND/OR in WHERE
Subqueries in UPDATE
Backups & Testing
Preventing SQL Injection