We fixed the query performance by removing the bookmark lookup. Let us learn about that in today’s blog post, how we can fix this issue.
Let us see in today’s SQL in Sixty Seconds video how one can identify the index used for the query a popular question asked in Health Check.
Today we will discuss how a single table scan for multiple aggregated operators helps to improve performance. Let us learn about it today.
Question: How to Force Index on a SQL Server Query?
Answer: I personally do not like to force an index on any query. Let us learn together.
Today we will be discussing how to list Total Data Pages In Memory Buffer Pool with the help of sys.dm_os_buffer_descriptors.
We reached the point to investigate the data in memory for a single database. Here is the script to list all the database pages in SQL Server Buffer Pool.
Question: How to Alter Index to Add New Columns in SQL Server?
Answer: It is not possible to Alter Index definition to add or remove columns.