How can I optimise this SQL GROUP BY to remove duplicates, summing on numeric fields?
I am running the following query:
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Why are columns not in my SELECT coming in the output when looking at the execution plan?
I am running the below query and the below index is present to satisfy the query.
Slow query performance due to partitions
On SQL Server, query B performs hundreds of times faster than query A. There are only 12 partitions in total. How to make query B as simple as query A but keep the performance?
Slow query performance due to partitions
On SQL Server, query B performs hundreds of times faster than query A. There are only 12 partitions in total. How to make query B as simple as query A but keep the performance?
How to deal with SQL query performance issues
I have four tables with the below query. select query is taking long time to query:
#Sql query performance issue
I have four tables with the below query. select query is taking long time to query
table1(221 crore records),
table2(230 crore records),
table3(214 crore records),
table4(90 lakh records),