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Transaction context
As the figure shows, the major transaction shares its context with the nested transactions, but not with the autonomous transactions. Similarly, If one autonomous routine calls the other (or itself recursively), the routines distribute no transaction context. Though, if an autonomous routine calls a non-autonomous routine, the routines share the similar transaction context.
Figure: Transaction Context
Packages The package is a schema object which groups logically associated to the PL/SQL items, types, and subprograms. The Packages have 2 sections: the specification & the bod
Define basic operators of relational algebra with an example each
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