Updating a view in plsql dating in st paul minnesota

SQL SET SERVEROUTPUT ON BEGIN UPDATE employees SET salary = 10000 WHERE employee_id = 9999; IF SQL%ROWCOUNT = 0 THEN -- Manually raise the NO_DATA_FOUND exception.RAISE NO_DATA_FOUND; END IF; DBMS_OUTPUT.put_line('NO_DATA_FOUND Not Raised'); EXCEPTION WHEN NO_DATA_FOUND THEN DBMS_OUTPUT.put_line('NO_DATA_FOUND Raised'); END; / NO_DATA_FOUND Raised PL/SQL procedure successfully completed.Trying to create a trigger to update the profit whenever record got inserted to the sales table.As the table is same it is throwing error exception : ORA-20001: An error was encountered - -4091 -ERROR- ORA-04091: table SALES.You can find the original table definitions in the "$ORACLE_HOME/rdbms/admin/utlsampl.sql" script.All Data Manipulation Language (DML) changes are done as part of a transaction.



And yes the main table also reflects the changed value for LOC.

Can anyone please let me know how to accomplish this.

Unlike views, however, materialized views also store the results of the query in the database.

In this scenario, the cursor result set can be limited using the traditional When we associate a SELECT statement with more than one table joined together to a cursor with a FOR UPDATE clause, we end up locking all the tables in the FROM clause of the SELECT statement, where we just need to lock a single table for our purpose.

The FOR UPDATE OF clause helps us in locking up the intended table rather all available tables.Hello, so far in my OAF programming, I have always selected one particular row from a table and saved from it.



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