These 7 Questions about OUTPUT Clause follow my INSERT and DELETE videos. I clarify destinations, triggers and performance scope below.
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Remove Trigger for Delete – SQL in Sixty Seconds #133
I am involved in the Comprehensive Database Performance Health Check. Today we will discuss how we can remove triggers for the Delete statement.
Create Table From Another Table: What SELECT INTO Copies
To create table from another table in SQL Server, use SELECT INTO with WHERE 1 = 2 or TOP (0) for the structure alone. This post builds a demo table and compares it with its copy column by column. It shows the identity trap, the computed column that becomes plain, and the statements that add keys, defaults and indexes back.
How to Capture Deleted Rows Without Trigger? – Interview Question of the Week #297
Question: How to Capture Deleted Rows Without Trigger?
Answer: I was recently asked by my client during the Comprehensive Database Performance Health Check.
Partition Switch in SQL Server: Move a Million Rows in a Moment
A partition switch moves a whole partition from one table to another without copying a single row. This post builds a partitioned table with a million rows, switches the January partition out and back in, and shows that only metadata changes. It lists the five errors that stop a switch, with the real message numbers, and ends with the sliding window pattern.
Insert Multiple Values into Multiple Tables in a Single Statement – SQL in Sixty Seconds #132
It is totally possible to Insert Multiple Values into Multiple Tables in a Single Statement. Let us learn how we can do that in today’s video.
Priority Boost and Performance – SQL in Sixty Seconds #131
Enabling Priority Boost does not mean that you get performance from your SQL Server. It may be quite opposite. SQL in Sixty Seconds.
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