SQL Server – after insert trigger – update another column in the same table

It depends on the recursion level for triggers currently set on the DB. If you do this: SP_CONFIGURE ‘nested_triggers’,0 GO RECONFIGURE GO Or this: ALTER DATABASE db_name SET RECURSIVE_TRIGGERS OFF That trigger above won’t be called again, and you would be safe (unless you get into some kind of deadlock; that could be possible but … Read more

How to abort INSERT operation in MySql trigger?

I came across this and although the solution works I later came across what feels to me like a better solution. I suspect this wasn’t an option when this question was originally answered. CREATE TRIGGER `TestTable_SomeTrigger` BEFORE UPDATE ON `test_table` FOR EACH ROW BEGIN DECLARE msg VARCHAR(255); IF (SomeTestToFail = “FAIL!”) THEN set msg = … Read more

jquery trigger hover on anchor

You are on the right track, the problem is the extra # in the selector, just remove the first hash: $(“a#trigger”).trigger(‘mouseenter’); Note that since IDs must be unique, there is no need to specify the element type, $(‘#trigger’) is more efficient. Also note that: Deprecated in jQuery 1.8, removed in 1.9: The name “hover” used … Read more

How can I use a PostgreSQL triggers to store changes (SQL statements and row changes)

example of an audit trigger from https://www.postgresql.org/docs/current/static/plpgsql-trigger.html CREATE TABLE emp ( empname text NOT NULL, salary integer ); CREATE TABLE emp_audit( operation char(1) NOT NULL, stamp timestamp NOT NULL, userid text NOT NULL, empname text NOT NULL, salary integer ); CREATE OR REPLACE FUNCTION process_emp_audit() RETURNS TRIGGER AS $emp_audit$ BEGIN — — Create a row … Read more

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