Error 945 means the database cannot be opened due to inaccessible files or low disk space. My four checks: disk space, autogrow, permissions and read only files.
MSSQL or MySQL? Clearing Up the Name Mix-Up
MSSQL or MySQL? The names are one letter apart and the products are not. Here’s who makes each, and the syntax differences that trip people up.
Why SQL Server Has Cumulative Updates, Not Service Packs
Understand why SQL Server uses Cumulative Updates instead of service packs, what each CU contains, and how to plan a reliable patch cycle.
Index Maintenance on Modern Storage
Index maintenance on modern storage needs query evidence, page density, and statistics checks before you choose a rebuild or lighter action.
SQLAuthority News – Birthday of SQL Authority Author
Today is the birthday of the SQL Authority Author, and my thought of the day is a simple one that I truly believe: family is everything.
SQL SERVER – Data Warehousing Interview Questions and Answers Complete List Download
My Data Warehousing interview questions and answers complete list, with links to every part of the series and one PDF to download.
SQL SERVER – Data Warehousing Interview Questions and Answers – Part 3
Data Warehousing Interview Questions and Answers Part 3 explains slowly changing dimensions: SCD1, SCD2, SCD3 and hybrid SCD, and what each one keeps.
SQL SERVER – Data Warehousing Interview Questions and Answers Part 2
Data Warehousing Interview Questions and Answers Part 2: normalization forms, fact and dimension table keys, data mining, view vs materialized view and ER diagrams.
SQL SERVER – Data Warehousing Interview Questions and Answers – Part 1
Part 1 of my Data Warehousing interview questions and answers, starting with the basics: what a data warehouse is and how it supports decision making.
Replacing a Cursor With a Set-Based Query
Replacing a cursor with one set-based update can simplify row processing; this worked example shows correctness checks and fair timing.










