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
Gouache painting: a small glass jar filled to its rim with dry beans beside a large, mostly empty burlap sack; the jar has a vermilion lid

SQL Express Size Limits for SQL Server 2025 and Earlier Versions

October 12, 2021
Pinal Dave
SQL Tips and Tricks
SQL Server, SQL Server Express

SQL Server Express Size limits depend on the engine release. The 2021 article 10 GB answer does not cover every current version.

Read More
Gouache painting of a cut tree stump with rings and a vermilion pin at the center

When a Table Was Created: Find It With Metadata and Traces

October 11, 2021
Pinal Dave
SQL Tips and Tricks
SQL DateTime, SQL Extended Events, SQL Scripts, SQL Server, SQL Trace

To find when a table was created, read create_date from sys.tables. This post adds the default trace and an Extended Events session for the question of who created it, and tests what a rename or an ALTER does to the date.

Read More
A white goose standing among lettuces as a hand closes the garden gate that was propped open behind it.

NOCHECK CONSTRAINT: Loading Data and Trusting Foreign Keys Again

October 8, 2021
Pinal Dave
SQL Tips and Tricks
ETL, SQL Constraint and Keys, SQL Scripts, SQL Server

Use NOCHECK CONSTRAINT carefully, distinguish enabled from trusted foreign keys, validate old rows, and restore optimizer assumptions.

Read More
A street bicycle rack with a different bicycle in each slot and several empty slots between them.

A Unique Constraint That Allows Many NULLs

October 7, 2021
Pinal Dave
SQL Tips and Tricks
SQL Constraint and Keys, SQL Index, SQL NULL, SQL Server

Allow many NULLs while enforcing unique non-NULL values with a filtered SQL Server index, required SET options, and tested queries.

Read More
An old cast iron mincer clamped to a farmhouse kitchen table, a bowl waiting beneath it.

CLR Integration in SQL Server: When It Still Makes Sense

October 6, 2021
Pinal Dave
SQL Tips and Tricks
CLR, SQL Server, SQL Server Configuration, SQL Server Security

Review CLR integration uses, inventory existing assemblies, preserve strict security, and compare SQL Server 2025 built-in alternatives.

Read More
A hand pinning a red rosette on the largest marrow in a row already arranged by size on a village show table.

Filtering on a Window Function Without QUALIFY in SQL Server

October 5, 2021
Pinal Dave
SQL Tips and Tricks
CTE, Ranking Functions, SQL Server, SQL Top

Filter window results without QUALIFY using CTEs and derived tables, compare TOP WITH TIES, and preserve partition and tie rules.

Read More
Illustrated cover: Partitioning Is Not Speed

SQL SERVER – Table Partitioning for Slow Performance

October 4, 2021
Pinal Dave
SQL Performance
SQL Server, Table Partitioning

Something just conversation which I keep on doing again for ages. One of the conversations which never gets old is Table Partitioning for Slow Performance.

Read More
Previous 1 … 10 11 12 13 14 15 16 … 416 Next
  • Books
  • Testimonials
  • Privacy Policy

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