Updating a table in pl sql

31-Mar-2020 08:38 by 7 Comments

Updating a table in pl sql - Strip chat no sign up

If the query passes a column to a function, then the query cannot use user-created indexes on that column, so the query might invoke the function for every row of the table (which might be very large).

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j recs(i).salary ); END LOOP; END; / --- Processing all results simultaneously --- Result: Employee Abel: 000 Employee Cambrault: 000 Employee De Haan: 000 Employee Errazuriz: 000 Employee Fripp: 418.1 Employee Greenberg: 008 Employee Hartstein: 000 Employee Higgins: 008 Employee Kaufling: 036.95 Employee King: 000 Employee Kochhar: 000 Employee Ozer: 500 Employee Partners: 500 Employee Raphaely: 000 Employee Russell: 000 Employee Vishney: 500 Employee Weiss: 418.1 Employee Zlotkey: 500 --- Processing 10 rows at a time --- Result: Employee Abel: 000 Employee Cambrault: 000 Employee De Haan: 000 Employee Errazuriz: 000 Employee Fripp: 418.1 Employee Greenberg: 008 Employee Hartstein: 000 Employee Higgins: 008 Employee Kaufling: 036.95 Employee King: 000 Result: Employee Kochhar: 000 Employee Ozer: 500 Employee Partners: 500 Employee Raphaely: 000 Employee Russell: 000 Employee Vishney: 500 Employee Weiss: 418.1 Employee Zlotkey: 500 --- Fetching records rather than columns --- Employee Abel: 000 Employee Cambrault: 000 Employee De Haan: 000 Employee Errazuriz: 000 Employee Fripp: 418.1 Employee Greenberg: 008 Employee Hartstein: 000 Employee Higgins: 008 Employee Kaufling: 036.95 Employee King: 000 Employee Kochhar: 000 Employee Ozer: 500 Employee Partners: 500 Employee Raphaely: 000 Employee Russell: 000 Employee Vishney: 500 Employee Weiss: 418.1 Employee Zlotkey: 500 DECLARE CURSOR c1 IS SELECT first_name, last_name, hire_date FROM employees; TYPE Name Set IS TABLE OF c1%ROWTYPE; stock_managers Name Set; -- nested table of records TYPE cursor_var_type is REF CURSOR; cv cursor_var_type; BEGIN -- Assign values to nested table of records: OPEN cv FOR SELECT first_name, last_name, hire_date FROM employees WHERE job_id = 'ST_MAN' ORDER BY hire_date; FETCH cv BULK COLLECT INTO stock_managers; CLOSE cv; -- Print nested table of records: FOR i IN stock_managers. When the client program runs, the database server runs the PL/SQL anonymous block.