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Categories
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Sql-tuning
New post in Sql-tuning
Why is Oracle using a skip scan for this query?
June 5th, 2022
oracle
sql-tuning
indexing
SELECT clause using IN ... very slow?
June 13th, 2022
oracle
sqlperformance
sql-tuning
sql
Does "TABLE ACCESS BY INDEX ROWID" means optimizer using index or table?
July 5th, 2020
performance
oracle11g
sql-tuning
SQL Server audit logout creates huge number of reads
July 10th, 2022
sql-tuning
sql-server-2008
database-tuning
sql-server
sql
How to find out why the status of a spid is suspended? What resources the spid is waiting for?
September 6th, 2020
sql
sql-server
optimization
query-optimization
sql-tuning
Oracle 11g - most efficient way of inserting multiple rows
June 4th, 2022
sql-tuning
oracle11g
networking
oracle
sql
Why does PostgresQL query performance drop over time, but restored when rebuilding index
June 15th, 2022
sql-tuning
indexing
postgresql
performance