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: Enables the use of conditional loops ( FOR , WHILE ) and conditional branching ( IF-THEN-ELSE ).
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Once SQL is mastered, the book introduces the structure of a PL/SQL block:
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Programs that automatically execute ("fire") in response to specific events, such as a DML modification on a table, crucial for auditing and data security.
DML is the heart of daily database operations, focusing on managing the data within the structures.