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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
Using raise_application_error The Package DBMS_STANDARD that is supplied with Oracle gives language facilities that help your application to interact with Oracle. For illustra
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Declarations in SQL Your program stores values in the variables and constants. As the program executes, the value of the variables can change, but the values constants cannot.
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