Quick summary:
| RTM (Gold, no SP) | SP1 | SP2 | SP3 | SP4 | |
|---|---|---|---|---|---|
 SQL Server 2011codename Denali |
– | ||||
| SQL Server 2008 R2 codename Kilimanjaro |
10.50.1600.1 | ||||
| SQL Server 2008 codename Katmai |
10.00.1600.22 | 10.00.2531 | 10.00.4000 | ||
| SQL Server 2005 codename Yukon |
9.00.1399.06 | 9.00.2047 | 9.00.3042 | 9.00.4035 | 9.00.5000 |
| SQL Server 2000 codename Shiloh |
8.00.194 | 8.00.384 | 8.00.532 | 8.00.760 | 8.00.2039 |
| SQL Server 7.0 codename Sphinx |
7.00.623 | 7.00.699 | 7.00.842 | 7.00.961 | 7.00.1063 |
All SQLServer service packs are cumulative, meaning that each new service pack contains all the fixes that are included with previous service packs and any new fixes.