The Temp Tables For Destruction counter stays flat at zero while Temp Tables Creation Rate moves, and that confuses people. This post explains what each counter counts, reads both from T-SQL, measures a creation loop, and shows that a cached temp table in a procedure moves neither counter.
SQL Server emergency? Email pinal@sqlauthority.com with URGENT in the subject line.
Column Statistics in SSMS: Update One With the Dialog
You can update column statistics in SSMS from the Properties window of a statistic, but a dialog gives no proof that anything happened. This post lists the steps, then uses T-SQL to prove the update with the modification counter and the sample size. It also shows why a full scan needs a statement of its own.
Dynamic SQL Output Parameter: Pass Values In and Out Safely
A dynamic SQL output parameter lets a statement built at run time hand a value back to the caller. This post shows input, output and input/output parameters with sp_executesql, explains the errors you meet, and measures why parameters beat concatenation: one reusable plan instead of ten, and no injection.
Remove Bookmark Lookup – SQL in Sixty Seconds #089
We fixed the query performance by removing the bookmark lookup. Let us learn about that in today’s blog post, how we can fix this issue.
Azure SQL Firewall Rules: List, Add and Remove With T-SQL
Azure SQL firewall rules decide which IP addresses can reach a logical server and its databases. This post lists the server-level and database-level rules with T-SQL, adds, changes and removes one, and explains how to find the address Azure sees. It also covers the one thing T-SQL cannot do, which is let you in for the first time.
SQL Azure – Add IP Address to Firewall
To Add IP Address to Firewall rules, I first confirm the intended Azure SQL network path. A home connection prompted this walkthrough.
How to Generate Script for SQL Server 2005 from SQL Server 2019? – Interview Question of the Week #285
Question: How to Generate Script for SQL Server 2005 from SQL Server 2019?
Answer: Actually, I got this question from my client.
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