For questions about making database queries run faster.
I'm curious which of the following below would be more efficient? I've always been a bit cautious about using IN …
sql-server sql-server-2005 exists query-performance sql-inI'm struggling getting my head around the Django's ORM. What I want to do is get a list of distinct …
django django-queryset django-orm query-performanceI recently found and fixed a bug in a site I was working on that resulted in millions of duplicate …
mysql query-performance maintenance sql-deleteI'm trying to improve the performance on a query that is running very slowly. After going through the Actual Execution …
sql sql-server query-performance sql-execution-planThis is a question about SQL Server 2008 R2 I'm not a DBA, by far. I'm a java developer, who has …
sql sql-server-2008-r2 subquery query-performance temp-tablesIn our product we have a generic search engine, and trying to optimze the search performance. A lot of the …
sql database oracle database-performance query-performanceI have a requirement in which i have to force the sql not to use a particular index which exists …
sql oracle query-performance hintsI'm trying to debug the source of a SQL timeout in a web application that I maintain. I have the …
sql-server sql-server-2008 ssms query-performance arithabortI've come to know this concept of AsNoTracking(), DetectChanges(), and AutoDetectChangesEnabled very recently. I understand that when fetching records from …
entity-framework ef-code-first query-performanceI know this is a common question and I have read several other posts and papers but I could not …
sql performance database-performance query-performance