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SQL Server 2005 Enterprise Edition - make data available while creating indexes on large tables!
25 January 08 02:41 AM | SQL Master | 3 Comments   

Though it is not a best practice to perform a CREATE INDEX on large tables during the online hours where you have number of users accessing the metadata of SQL Server database. Within SQL Server 2005 Enterprise Edition you can perform ONLINE indexes operation, Read More...

Filed under: performance, sql server, cache, indexes, tsql, users, best practice, backups, monitoring, operating system, creation, create, online, busy

SQL Server indexing - when to reorganize or rebuild?
21 January 08 03:30 AM | SQL Master | 4 Comments   

Re-organizing or rebuilding index would help the SQL optimizer to reduce the fragmentation for a better performance. In this case few users might have doubt that when to rebuild or reorganize (SQL Server 2005)? IN the series of Performance blog posts Read More...

Filed under: sql server, indexes, msdn, rebuild, schema, best practice, blogs, performance monitoring, reorganize, links, schedule

SQL Server Query Performance - think about page split and fragmentation, measures to reduce the behaviour and best use of dm_db_index_physical_stats DMV
14 January 08 01:22 AM | SQL Master | 2 Comments   

It is an universal truth in the database field that due to the fragmentation and page split the performance will be affected even for a simple [ SELECT <ColumnName> from.... ] type of query. So what you need to check or take action in terms of DBA Read More...

Filed under: performance, sql server, dmv, indexes, dba, best practice, maintenance plan, performance monitoring, sys.dm_db_index_physical_stats, measures

SQL Server 2005 standard query tuning options - plan guide for performance testing how to?
30 October 07 08:41 PM | SQL Master | 2 Comments   

You may be aware that plan guides will help the optimizer to perform better and a general recommendation is to use the relevant USE PLAN query hint when the other standard query tuning options are failed. It is also necessary to test through the results Read More...

Filed under: performance, sql server, indexes, planning, testing, hotfix, services, best practice, service pack, plan guide

Update Statistics on huge tables - best practice
23 October 07 04:40 AM | SQL Master | 2 Comments   

If you have valid indexes and they are maintained with regular schedule of reindexing to address fragmentation, then you can go with UPDATE STATISTICS on the tables that has frequent updates, say once in 2 days during the quiet time on the databases. Read More...

Filed under: performance, sql server, indexes, update statistics, best practice, indexed views

Disk Space Requirements for Index DDL Operations
28 September 07 06:38 AM | SQL Master | 3 Comments   

Are you watching your disk space during the indexes operations where these database objects are stored? Recently I was stumped on a database that is only 5GB had reindexing process failure due to 10% of disk free space was available. For your information Read More...

Filed under: performance, sql server, indexes, optimization, dba, hardware, disks, best practice, reindexing, disk space, sorting