Exception types In Oracle PL/SQL. Types of exceptions Named system exceptions –Raised as a result of an error in PL/SQL or RDBMS processing. Named programmer-defined. - ppt download

Named system exceptions Oracle can handle: –CURSOR_ALREADY_OPENED (sqlcode = -6511) –DUP_VAL_ON_INDEX (sqlcode = -1) –INVALID_CURSOR (sqlcode = -1001) –INVALID_NUMBER (sqlcode = -1722) –LOGIN_DENIED (sqlcode = -1017) –NO_DATA_FOUND (sqlcode = +100) –TOO_MANY_ROWS (sqlcode = -1422) –…etc… These are named in the ‘standard’ package in pl/sql.
How to handle errors Declare to server Tell compiler (pragma exception init)RaiseHandle Named System Errorsxxx√ Named Application Errors√x√√ Unnamed System errors√√x√ Unnamed Application Errors√√√√

Oracle 8i Exception Handling. General Syntax DECLARE --- BEGIN --- EXCEPTION WHEN exception_name1 THEN -Error handling statements WHEN exception_name2. - ppt download

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