What are Database Procedures? - Actian

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The Wrong Way to Error Checkupdate xyz . . . ;if iierrornumber != 0 thenmsg := ’Error updating xyz. ‘+ ' Error is ‘+ varchar(iierrornumber);mno := 1701;message :mno : msg ;return iierrornumber ;endif ;
The Wrong Way to Error Checkif iirowcount != 1 thenmsg := 'Bad rowcount updating table xyz'+ ', expected 1 but got '+ varchar(iirowcount);mno := 1702 ;message :mno :msg ;return iierrornumber ; /* failure */endif ;return 0 ; / * success */
Page 1 and 2: Smedley'sGuideToDatabaseProcedures
Page 3 and 4: Why Use Database Procedures? Perfor
Page 5 and 6: What Not to Put in a DBP Unnecessar
Page 7 and 8: Parameter Passing By default Parame
Page 9 and 10: Locking Strategy Locks taken when p
Page 11: Procedure: get_my_airlinescreate pr
Page 15: How Big is a QEP?register table imp
Page 18 and 19: Example - Row Producing ProcedureEx
Page 20 and 21: Error BehaviourProcedure is not ter
Page 22 and 23: Return Terminates the procedure Can
Page 24 and 25: Raise Error StatementUsed to descri
Page 26 and 27: The Right Way to Error Check...upda
Page 30 and 31: Error Handling Simple is best Just
Page 32 and 33: Select Loopcreate procedure news_so
Page 34 and 35: Session tabledeclare global tempora
Page 36 and 37: Session tablebeginnext_id = 1;delet
Page 38 and 39: Comparison Advantages of rules and
Page 40 and 41: Error Behaviour for DBP invoked by
Page 42 and 43: Example of Before Rulecreate rule s

What are Database Procedures? - Actian

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