The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

The theme for this session is database "indexes".Indexes are one of the technologies you absolutely must understand when ...

When you execute an SQL query, the results do not return quickly.You may have had no issues during development, but the ...

The most important performance-tuning technique available is having the needed indexes created on the tables to ensure that the SQL Server database engine is able to get the data that it needs to as ...

Missing indexes are one reason why an SQL query takes longer (much longer) to complete. Here's how to find out about them and fix the problem. In my previous article, Identifying your slowest SQL ...

SQL Server 2012 has a lot of metadata about columnstore indexes. For example, sys.indexes show column store indexes as type = 6 and type_desc as ‘NONCLUSTERED COLUMNSTORE.’ There also are two new ...

There's two answers to this question, the short answer and the long answer (which includes a follow-up question). The short answer is yes For the longer answer, let's start with the follow-up question ...

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

I've said it before and I'll say it again: If you want to speed up your application, don't look at your code, look at your data access. The two slowest things you can do in application development are ...

Missing indexes are one reason why an SQL query takes longer (much longer) to complete. Here's how to find out about them and fix the problem. In my previous article, Identifying your slowest SQL ...