Speed up a oracle sql delete query
42359
Delete with Left Join in Oracle 10g
72586
MySQL: Fastest way to count number of rows
133376
Optimizing a simple mysql select on a large table (75M+ rows)
53417
Calculate execution time of a SQL query?
125470
How to delete duplicate records
144043
Delete Duplicate SQL Records
97590
Deleting from a Data Extension
148476
Prepared statements with many parameters is slow
139728
Query speed based on order of columns
101460
mySQL find dupes and remove them
33417
Tune a simple inner join query
98961
Delete duplicate records in SQL Server?
8316
Do frequent DML operations on a table with indexes and huge data affect SELECT query performance?
116838
Query runs slow with date expression, but fast with string literal
57840
MYSQL delete all results having count(*)=1
123540
MSSQL record date/time auto delete
63227
Oracle equivalent to SQL Server STUFF function?