The client had a requirement that we can’t run any query SELECT queries on the production system. Clone Database Using DBCC CLONEDATABASE.
Why Execution Plan Operator Read More Rows Than Available? – Interview Question of the Week #255
Question: Why Execution Plan Operator Read More Rows Than Available?
Answer: Statistics.
Now let us learn detailed answer in this blog post.
SQL SERVER – Query Without Join Showing Query Plan With Join
This question often keeps on coming in my consulting engagements. Let us quickly see the answer about Query Without Join Showing Query Plan With Join.
SQL SERVER – Persisting Sample Percentage for Statistics – PERSIST_SAMPLE_PERCENT
Recently I got the opportunity to work on a very new feature of Persisting Sample Percentage for Statistics. Let us learn today.
SQL SERVER – List All the Nullable Columns in Database
Recently during the consulting engagement, I needed to create a query that Lists All the Nullable Columns in Database, which I am sharing.
SQL SERVER – APPROX_COUNT_DISTINCT – Not Always Efficient
After a lot of testing, I figured out that the newly introduced function is not always efficient. A newly-introduced function APPROX_COUNT_DISTINCT.
SQL SERVER – List Number Queries Waiting for Memory Grant Pending
Today, in this blog post let us see how we can List Number Queries Waiting for Memory Grant Pending. I had built this simple query for the client.