Simple SELECT/WHERE query slow. Should I index a BIT field?
121004
Should I index a bit field in SQL Server?
100338
Is there a LINQ syntax for the (T, int) overloads of Where and Select?
46470
Can MySQL reasonably perform queries on billions of rows?
1408
SQL JOIN vs IN performance?
42613
Workaround for Offset 2000 limit on SOQL Query
99409
What is the reason not to use select *?
16178
SQL JOIN - WHERE clause vs. ON clause
50123
Index for numeric field is not used
4877
Is a composite index also good for queries on the first field?
154423
MySQL always returning BIT values as blank
139195
MySQL silly query plan
152851
Best practice for a query inside a batch and Mapping
99497
IF EXISTS taking longer than embedded select statement
118170
SQL -- How is DISTINCT so fast without an index?
5208
Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc
116838
Query runs slow with date expression, but fast with string literal
41314
Is there a REAL performance difference between INT and VARCHAR primary keys?