Pragmas are compiler directives. They serve as instructions to the PL/SQL compiler. The compiler will act on the pragma during the compilation of the block.
Syntax:
PRGAMA instruction_to_compiler.
PL/SQL offers several pragmas:
Ø AUTONOMOUS_TRANSACTION
Ø EXCEPTION_INIT
Ø RESTRICT_REFERENCES
Ø SERIALLY_REUSABLE
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