This month's discount Comprehensive Database Performance Health Check · Testimonials
SQLAuthority with Pinal Dave
Home
  • Consulting
    • Health Check
  • Free Videos
  • All Articles
    • AI
    • SQL Performance
    • SQL Tips and Tricks
    • Interview Questions and Answers
    • SQL Puzzle
    • SQL Video
    • SQLAuthority News
    • Personal
  • Books
  • Consulting
Fresh bakery trays are ready on a rack before the counter needs them

What is Read Ahead Read in SQL Server? – Interview Question of the Week #197

October 28, 2018
Pinal Dave
SQL Interview Questions and Answers
Execution Plan, SQL Memory, SQL Performance, SQL Scripts, SQL Server

Question: What is Read Ahead Read in SQL Server?

Answer: This is SQL Server’s feature which brings data pages into the buffer cache.

Read More
SQL Server backup size tool.

SQL SERVER – Finding Compression Ratio of Backup

October 27, 2018
Pinal Dave
SQL Tips and Tricks
SQL Backup and Restore, SQL DMV, SQL Scripts, SQL Server

Is there a way to know the compression ratio of backup files in SQL Server? Here is a quick script on msdb backupset that compares backup size with compressed size.

Read More
A coil of rope on a dock, half of it wound onto a drum and half still loose on the boards.

SQL Authroity News – Optimizing Lazy Spool – PASS Blog

October 26, 2018
Pinal Dave
SQL Performance
SQL Index, SQL PASS, SQL Scripts, SQL Server

A sneak preview of my SQLPASS sessions: I wrote about optimizing Lazy Spool on the PASS blog, and here are the first two paragraphs with a link to the rest.

Read More
SQL SERVER - Reporting Services Not Starting After Maintenance Window

SQL SERVER – Reporting Services Not Starting After Maintenance Window

October 25, 2018
Pinal Dave
SQL Tips and Tricks
Reporting Services, SQL Error Messages, SQL Reports, SQL Server

Reporting Services not starting after maintenance? On my lab server every SQL service came back except SSRS. Here is what the log showed.

Read More
A fitted key inventory is inspected within one room while distant doors remain outside its scope.

SQL SERVER – How to Get List of SQL Server Instances Installed on a Machine Via T-SQL?

October 24, 2018
Pinal Dave
SQL Tips and Tricks
SQL Scripts, SQL Server

A registry query lists SQL Server Instances recorded on the Windows host. A customer wanted a T-SQL-only method.

Read More
Gouache painting of a vermilion cart carrying three small stacked wooden tables

Drop Multiple Tables with One DROP TABLE Statement

October 23, 2018
Pinal Dave
SQL Tips and Tricks
SQL Constraint and Keys, SQL Scripts, SQL Table Operation

To drop multiple tables in SQL Server, list them in one DROP TABLE statement, referencing tables first. This post tests the order rule on a parent and child table and shows what happens after an error. It also covers IF EXISTS, drops by name pattern and temporary tables.

Read More
Title card: DBCC CHECKDB Waiting on PREEMPTIVE_OS_DEVICEIOCONTROL

SQL SERVER – DBCC CHECKDB Waiting for PREEMPTIVE_OS_DEVICEIOCONTROL

October 22, 2018
Pinal Dave
SQL Performance
SQL Error Messages, SQL Server, SQL Server DBCC, SQL Transactions, SQL Wait Stats

A weekly DBCC CHECKDB job was stopped by a terminator job, but its SPID stayed, waiting on PREEMPTIVE_OS_DEVICEIOCONTROL. Here are ways to handle that situation.

Read More
Previous 1 … 192 193 194 195 196 197 198 … 844 Next
  • Books
  • Testimonials
  • Privacy Policy

© 2006 – 2026 All rights reserved. pinal @ SQLAuthority.com