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PL/SQL Concepts
PL/SQL stands for “Procedural Language Extension to SQL.” Because of its tight integration with SQL, PL/SQL supports the great majority of the SQL features, such as SQL data manipulation, data types, operators, functions, and transaction control statements. As an extension to SQL, PL/SQL combines SQL with programming structures and subroutines available in any high-level language.
PL/SQL is used for both server-side and client-side development. For example, database triggers (code that is attached to tables discussed in Chapter 13, “Triggers,” and Chapter 14, “Mutating Tables and Compound Triggers”) on the server ...
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