Understanding Scans And Seeks
Whether a query uses Scan or Seek can have a big impact on the cost of excuting that query. This article examines when each is used and which is optimal.
Using Star Join and Few-Outer-Row Optimizations to Improve Data Warehousing Queries
In this white paper we discuss two of the new features in SQL Server 2008, Star Join and Few-Outer-Row optimizations. We test the performance of SQL Server 2008 on a set of complex data warehouse queries designed to highlight the effect of these two features and observed a significant performance gain over SQL Server 2005 (without these two features).
Finding Passwords
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
Returning full error details from SQL Server Agent jobs
Tired of the truncated error history that is available for SQL Server Agent jobs in SSMS, here is a way to get deeper information - easily!
EVA Partition Alignment
Partition alignment is a well documented best practice, but does it have any benefit on an HP EVA?
Finding Passwords
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
Finding Passwords
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
Finding Passwords
There was a vulnerability announced in the SQL Server password system last week, but Steve Jones doesn't see this as much of an issue. Read his thoughts and see if you agree.
Transact-SQL Formatting Standards
How should SQL code be formatted? What sort of indentation should you use? Should keywords be in upper case? How should lists be lined up? SQL is one of those languages that will execute however you treat whitespace and capitalization. However, the way SQL is laid out will effect its readability and the time taken to review and understand it. Standardisation of code layout is an important issue, but what standard should you adopt? Rob avoids a direct answer, but tells you the sort of answers you'll need to decide upon when creating a strategy for formatting SQL code.
Enforcing Data Quality while using Surrogate Keys
Data quality is important in a database, but so many people fail to implement good referential integrity. New author Marvin Elder brings us an article that looks at surrogate keys for ensuring data quality.
Blogs
PostgreSQL Support in the Data API Builder
By Steve Jones
Next week I’m at VS Live in San Diego (register and join me) and...
Ten Years of PowerShell
Ten years ago today, I filmed a Pluralsight Play by Play on open source...
T-SQL Tuesday #202: 100 Hours
By Steve Jones
It’s time for T-SQL Tuesday again and this is a great prompt to start...
Forums
Databricks Genie Spaces for SQL Analysts: Natural Language Querying Without Leaving Your Data Platform
Comments posted to this topic are about the item Databricks Genie Spaces for SQL...
The Costs of Multiple Platforms
Comments posted to this topic are about the item The Costs of Multiple Platforms
RegEx Functions II
Comments posted to this topic are about the item RegEx Functions II
Question of the Day
RegEx Functions II
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^d') AND BusinessEntityID IN (7,8)See possible answers