Oracle trigger if updating then


27-Dec-2017 20:37

oracle trigger if updating then-38

jehovah witness dating beliefs

Many applications update all of the columns in a table -- setting them to their old value, rather then trying to figure out exactly which columns have been updated by the client. create or replace trigger test_trigger 2 after update of x,y on test 3 for each row 4 begin 5 if updating( 'X' ) then 6 dbms_output.put_line( 'X is being updated' ); 7 end if; 8 9 if updating( 'Y' ) then 10 dbms_output.put_line( 'Y is being updated' ); 11 end if; 12 end; 13 / Trigger created.SQL Notice in the last update it indicated that x and y both were being updated (which they were), but the update didn't change the value (both x and y were 1 prior to the update which set them to 1). You can use updating (column) but it will only tell you that the column itself is being updated and not if the value has changed.This is a community of tens of thousands of software programmers and website developers including Wrox book authors and readers. By joining today you can post your own programming questions, respond to other developers questions, and eliminate the ads that are displayed to guests. Hi I am currently using Oracle 9i, using the Scott database and have a number of contraints which I need to implement.I have very little knowledge of creating triggers, but have had a go. 2 , TEST_TABLE_1(number, balance) TEST_TABLE_2(number, datetime, value, different). ACRIONS_COMMIT_TR after update on quickstart.actions for each... Insert, update - 3 borland builder: , , insert, update...... The actions that I need to do on my -- Scenario 1 CREATE OR REPLACE TRIGGER my_trg BEFORE INSERT OR UPDATE ON my_table FOR EACH ROW BEGIN IF UPDATING THEN IF : NEW.my_col IS NULL THEN raise_application_error(...); END IF; IF : NEW.my_col2 IS NULL THEN : NEW.my_col2 := (...); END IF; END IF; IF INSERTING THEN IF : NEW.my_col3 IS NULL THEN SELECT my_seq.NEXTVAL INTO : NEW.my_col3 FROM DUAL; END IF; IF : NEW.my_col4 IS NULL THEN (...) END IF; END IF; END; / -- Scenario 2 CREATE OR REPLACE TRIGGER my_trg1 BEFORE INSERT ON my_table FOR EACH ROW BEGIN IF : NEW.my_col3 IS NULL THEN SELECT my_seq.

oracle trigger if updating then-50

steve harris dating

CREATE OR REPLACE TRIGGER check_dept BEFORE INSERT OR UPDATE OF loc ON dept FOR EACH ROW WHEN(HOUSTON) DECLARE v_OILdept.loc%TYPE; BEGIN SELECT loc, INTO v_loc FROM dept WHERE loc = :'HOUSTON'; IF :deptname = 'OIL' RAISE_APPLICATION_ERROR(-20102Update succeeded); END IF; END; / Q4) The itemtot attribute (the inclusion of which in the database is evidence of very bad design) needs to be automatically maintained and not be directly updateable.

However I would be grateful if someone could help me with the syntax, code, layout etc.



Adding a few desctiptions of activities you enjoy that you could share could also work, though obviously avoid any X-rated ones unless you are dating on that kind of site )If u want to talk about how much u like girl and want to meet some teenage lesbians in this room join on and don't to add me too On here and if u got yahoo messenger add me too my email is [email protected]: D For people who like to chat dirty...................................................................................................................................................................................................................... The middle class man that makes the world go round.… continue reading »


Read more

Then she offered to come straight over to my house. I agreed and set out to hit the gym and get some work done. … continue reading »


Read more

Many of them were based on a Singer class 15 machine, and are commonly known as "Singer Clones" - read a bit more about them here. If your sewing machine looks a lot like these machines but has an off brand name, chances are you have a generic or clone machine.… continue reading »


Read more

Scams involving Military Personnel Scammers impersonating Military personnel are becoming increasingly common.… continue reading »


Read more

This means you can send and receive messages, Chat, Instant Message, Blog, and Post in our wild but friendly international and Western Samoa dating Forums without any costs ever. … continue reading »


Read more

This is not just a business for us; it’s what gets us up each and every day.… continue reading »


Read more