Updating salary for different departments using cursor

Note that parameter markers can’t be used with the EXECUTE IMMEDIATE statement.This approach does require a little more code—at least in this example—but it provides two advantages.The syntax within the brackets [ ] indicate they are optional.By using CREATE OR REPLACE together the procedure is created if no other procedure with the same name exists or the existing procedure is replaced with the current code.In that case, the statements could look something like this: D Select Stmt C 'SELECT Name, Dept, Hire Date, D Job, Sal FROM Empl Table WHERE ' D For Update C ' For Update of Sal' Select; When Upd By Dept; Stmt = Select Stmt 'Dept = ?' For Update; Compare Value = Dept ID; When Upd By Job; Stmt = Select Stmt 'Job = ?The below example creates a procedure ‘employer_details’ which gives the details of the employee.

When you execute DML statements like DELETE, INSERT, UPDATE and SELECT statements, implicit statements are created to process these statements.Oracle provides few attributes called as implicit cursor attributes to check the status of DML operations.The cursor attributes available are %FOUND, %NOTFOUND, %ROWCOUNT, and %ISOPEN.The body consists or declaration section, execution section and exception section similar to a general PL/SQL Block.A procedure is similar to an anonymous PL/SQL Block but it is named for repeated usage.

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