SQL Server 2000 SP4 is made up by a collection of three files that include the updates for the following SQL Server 2000 components:
- Database components, updated by launching: SQL2000-KB884525-SP4-x86.EXE. Updates your 32-bit database components of SQL Server 2000 including Database Engine, Replication, Client Connectivity components and Tools
- Analysis service components: for which purpose SQL2000.AS-KB884525-SP4-x86.EXE is used.
- SQL Server 2000 desktop engine components: updated by means of SQL2000.MSDE KB884525-SP4-x86.EXE.
Microsoft always advises its users to update their products, so if you use SQL Server 2000 and you haven't updated it, you have to download SQL Server 2000 SP4.