* CREATING A TABLE *
CREATE TABLE "CATEGORY_T"
( "CA_ID" NUMBER NOT NULL ENABLE,
"CA_NAME" VARCHAR2(50),
"LAST_MODIFIED_ON" DATE,
"LAST_MODIFIED_BY" VARCHAR2(30),
CONSTRAINT "CATEGORY_PK" PRIMARY KEY ("CA_ID") ENABLE
)
/
* CREATING SEQUENCE *
CREATE SEQUENCE "CATEGORY_SEQ" MINVALUE 1 MAXVALUE 999999999999999999999999999 INCREMENT BY 1 START WITH 100 CACHE 20 NOORDER NOCYCLE
/
* CREATING TRIGGER *
CREATE OR REPLACE TRIGGER "INSERT_CATEGORY"
BEFORE INSERT ON CATEGORY_T
FOR EACH ROW
DECLARE
CA_id_sv number;
BEGIN
IF INSERTING THEN
:New.LAST_MODIFIED_ON:= SYSDATE;
:New.LAST_MODIFIED_BY:= V('APP_USER');
SELECT CATEGORY_SEQ.nextval
INTO CA_id_sv
FROM dual;
:new.CA_ID := CA_id_sv;
ELSIF UPDATING THEN
:New.LAST_MODIFIED_ON:= SYSDATE;
:New.LAST_MODIFIED_BY:= V('APP_USER');
END IF;
End;
/
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