oracle create program if no exists
DECLARE
existing_program NUMBER;
BEGIN
SELECT count(*) INTO existing_program
FROM ALL_SCHEDULER_PROGRAMS WHERE PROGRAM_NAME = 'prog_name' AND OWNER='owner';
IF existing_program = 1 THEN
dbms_scheduler.DROP_PROGRAM(PROGRAM_NAME => 'prog_name');
END IF;
END;
/
BEGIN DBMS_SCHEDULER.create_program(program_name => 'owner.prog_name', ...); END;oracle create table if not exists
DECLARE -- Oracle
existing_table number;
BEGIN
SELECT count(*) into existing_table FROM ALL_TABLES
WHERE TABLE_NAME = 'table_name' AND OWNER = 'owner';
IF existing_table = 1 then
EXECUTE IMMEDIATE 'DROP TABLE owner.table_name';
END IF;
END;
/
CREATE TABLE owner.table_name (BDAY DATE, [...]);Copyright © 2021 Codeinu
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