2023-02-27
551 reads
SQL Triggers
How to find Updated Column in SQL Server Trigger
In this tip we look at how to which columns have been updated when using a SQL Server trigger by using the update and columns_updated functions
2019-07-22
SQL Server Triggers Pros and Cons
In this tip we look at some of the advantages and disadvantages of using triggers in SQL Server.
2019-05-29
SQL Server Trigger on View Example
In this tip we look at how to create a SQL Server trigger on a SQL Server view.
2019-05-01
Copy Triggers from One DB to Another
A simple script that transfers triggers from one database to another.
2013-03-04 (first published: 2013-02-12)
4,058 reads
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Question of the Day
ORDER BY alias
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers