Below are the most common reasons for the performance issues.
- SQL Server Configuration Issues
- Database/table/schema Design and Configuration Issues
- CPU/IO/Memory Bottleneck
- Blocking
- Network Bottleneck
- Poor Indexing Strategy (Missing Index, Fragmented Index, Un-Used Index)
- Out-of-date/missing statistics
- T-SQL Code
- Application Code
hi,
I am swetha.i joined in infrastructure company .I am in sql track .can u please suggest any books for sql good practices an in administration part and guide me how can i succeed to achieve as dba.please guide me .i am fresher
For architecture level knowledge go for Wrox Publication, read the blogs, MSDN site, BOL and again participate in forums Q & A