In the context of a database, maintenance describes routine operational tasks around a database system, such as monitoring, tuning and backup procedures.

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How to launch SQL Server Agent job on completion of another one?

An SQL Server Agent job (SSA) have to be executed after a few other SSA jobs. Is there any way to start SSA jobs on completion (or success, or failure) of another one? Currently, I do this on ...
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How to delete the remote files older than N days on schedule from SQL Server 2012 (with SqlServerAgent job)?

Struggling to execute PowerShell commands in SqlServer Agent job of MS SQL Server 2012 R2 (Windows Server 2008R2, Windows 7 Prof) I need to delete (.bak files older, than, say, 7 days in remote ...
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How to make SQL Server Agent job history less verbose?

So, I've created a SQL Server Agent job, according to the answer to my prev question: running nightly (at 2:11) according to the schedule: There are 9 .bak files in 3 subdirectory of d:\...
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How to copy backup files to remote share in SQL Server Agent job without AD/domain accounts involvement?

MS SQL Server 2012... with nightly databases backups to the same/local as SQL Server machine... I am trying to add another SQL Server Agent Job to copy the .bak files to remote (non-windows, i.e. ...
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226 views

Does failed task considered to be run to completion in SQL Server maintenance plan terminology?

The replies to my previous question: "How to specify a SQL Server maintenance plan subtask to run unconditionally on success or failure of preceding tasks?" answered me that I should change "...
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133 views

Renaming a production database

We have a production database that we have identified needs some maintenance as a colleague leaves - some column deletion and renaming, and a couple of table renames We're trying to find the best (...
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1k views

PostgreSQL maintenance

I am new to PostgreSQL and want to know more about maintenance options in pgAdmin III. I've read the documentation and now I know that vacuuming frees some space and I need to run it regularly. ...
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366 views

Forwarded Records, effective way to fix them

I'm dealing with an issue in SQL Server databases of an application. This application is used for Healthcare and I only maintain the databases, I do not create the application. Clients are facing the ...
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5k views

Proper MySQL database maintenance

I hope this isn't too broad of a question. I'm certain it'll be able to help me and any future dba noobs that stumble upon it. I'm a systems admin that got put into the roll of DBA (because I helped ...
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Central stored procedure to execute in calling database context

I am working on a customized maintenance solution using the sys.dm_db_index_physical_stats view. I currently have it being referenced from a stored procedure. Now when that stored procedure runs on ...
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6answers
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Find procedures that haven't been called in <n> days

We are deleting old stored procedures and tables. How can I know what procedures haven't been called recently? dm_exec_procedure_stats and dm_exec_query_stats aren't reliable, since they only return ...
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407 views

Eliminating duplicate records in data cleansing [closed]

I have a database full of records of people with simple information like first name, last name, email, location, ... . I need to eliminate the duplicate records. As I've search the process is called "...
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Why doesn't DELETE + REORG free diskspace (DB2)?

In DB2 I have a table containing large binary data. Now i purged the whole table and ran runstats, reorg, runstats, but the amount of disk space taken does not change. What could be wrong here? The ...
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1answer
326 views

Object name 'Clean Up History' in use when trying to complete the maintenance plan wizard in SQL Server 2008 R2

I am trying to create a maintenance plan on a instance running SQL Server 2008 R2 SP1 (no CU's installed). When completing the wizard I get the following error: The object name cannot be changed ...
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3answers
1k views

Which system databases should I checkdb and defrag indices?

I have SQL Server Agent (2005) jobs that periodically perform CHECKDB and a defrag (ALTER INDEX REORGANIZE/REBUILD) of any index that is highly fragmented. These are typical maintenance best ...
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995 views

Process attempted to unlock a resource it does not own

SQL Server 2005 SP4 32-Bit I have a DBCC CHECKDB job running nightly. Last night, soon after the job started, I got the errors below. The database is NOT in suspect mode, and CHECKDB comes back clean ...
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361 views

Role of Database Administrators

I am currently working as an application developer on a project which involves the creation of a new SQL Server database. I am actively working with a group of DBAs who will play some role in the ...
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2answers
2k views

Can't select database for transaction log backup in maintenance plan

I am running into a problem while trying to save a transaction log database backup maintenance task: Add the 'Back Up Database Task' to the maintenance plan. Edit the task. Select backup type: '...
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VACUUM returning disk space to operating system

VACUUM usually does not return disk space to operating system, except in some special cases. From the docs: The standard form of VACUUM removes dead row versions in tables and indexes and marks ...
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Database design that handles data growth with time

I have a big table that stores video rental data with the following columns: id, title, language, duration, owner, remarks, closing_date_for_loan Assuming every day there are thousands of data ...
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3answers
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Stop SQL Server service(s) before defragmenting drive?

Our production SQL Server 2005 database's data files live on a separate physical drive, which Microsoft Windows 2003's Disk Defragmenter tool reports as 99% fragmented. We scheduled a task to ...
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1answer
304 views

Maintenance in MYSQL when innodb_file_per_table disabled

I have read your post and I completely understand OPTIMIZE TABLE to perform in an environment where innodb_file_per_table is disabled, does not shrink the global ibdata1 tablespace. But what if I ...
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Should I manually VACUUM my PostgreSQL database if autovacuum is turned on?

I use software which makes a big PostgreSQL database (there is a table with a million rows in it) and the developers says I should VACUUM and ANALYZE periodically. But the PostgreSQL database default ...
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1answer
142 views

Tools and methodologies to keep to DBs aligned [closed]

2 DBs having schemas that represent the same semantic objects. The first one is production DB (Non-RDBMS, in-house implemented in-memory DB with shitload of RAM). Other is Postgres. Once in a while ...
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1answer
312 views

Reindexing plan [closed]

I have a reindexing plan failing with error message: Refresh failed for PhysicalPartition '1' (Details: SQL Server Enterprise edition running in cluster.) Searching through BOL and other ...
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Disadvantages of reorganizing all tables nightly

I consider scheduling a SQL Server job that reorganizes all tables nightly. We don't have enterprise, so we cannot rebuild online (this means we need to reorganize). We also don't want to invest too ...
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How can I fix “Cannot perform a differential backup … a current database backup doesn't exist”?

We recently switched to the FULL recovery model, with full backups being done every weekend, and differentials being taken every day. The problem is, the differential backups don't always seem to ...
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Shrink database operation in maintenance plan failed

See updates below I have a nightly DB maintenance plan and it's causing some strange behaviour. About 1 out of 10 runs it causes the DB to not response to queries. It takes about 5 minutes for the ...
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158 views

Thought about this SQL Server backup plan?

I just started a new job, and I'm reviewing the database maintenance plan. I've got quite a bit of experience writing SQL, but not much experience with DB administration. My last job was at a large ...
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2answers
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Do I need to RUNSTATS after a REORG in DB2?

The REORG documentation says: BUILD Builds indexes. Updates index statistics. But I have always heard REORG/RUNSTATS as if they should be paired. Can anyone verify that "Updates index ...
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1answer
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Use of Shrink after rebuilding Indexes in sql server 2005

I need to create a weekly database plan for my company's databases (5.8Gb), now I want to rebuild the Indexes, and then want to trigger a Shrink operation. Now I know Shrink creates Index ...
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886 views

Database Indexing - Maintenance Jobs

I have created a script that runs every night to rebuild & re-organize indexes based on the fragmentation, Indexes with Fragmentation > 30% are rebuilt, Indexes with Fragmentation 10% - 30% are re-...
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723 views

Database design with different user roles connected by different relationships to one organizaiton table

An user is connected to an organization by some role. Lets say there are 2 roles freelancer and employee. One employee can only be a part of one organization and if he is an employee then he can't be ...
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Can you set up a SQL server maintenance plan to restore a database?

I am looking to setup a maintenance plan that makes a backup of a database (Database1) and then restores to another database (Database2) to confirm that it is able to restore successfully. Can I do ...
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Unable to view “Maintenance Plan” folder under Maintenance in SQL Server 2008 R2 Standard Edition

SQL Server version is as follows : Microsoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 (Intel X86) Copyright (c) Microsoft Corporation Standard Edition on Windows NT 5.2 (Build 3790: Service ...
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Can I “Execute T-SQL Statement Task” against all user databases?

I'm setting up a maintenance plan on Sql Server. I want to add an Execute T-SQL Statement Task to the plan, however I do not see any way to set this task to run in every [user|system|all] database as ...
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1answer
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SQL Server 2008 - Run the Check Database Integrity Task with the PHYSICAL_ONLY option?

As part of our nightly maintenance, we include the Check Database Integrity Task which is an encapsulation of the DBCC CHECKDB command. It's beginning to take a considerable amount of time due to the ...
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801 views

Reorganize Indexes T-SQL

I'm moving a database to SQL Azure and with that I lose the maintenance plans so I am going to use a Worker Role to schedule them. When I open the properties of the Rebuild Index Task and click on ...
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906 views

How to do automated archiving for a SQL Server database based on interpretation of database metadata?

I am looking for a solution giving me automated archiving of SQL Server databases based on a smart interpretation of table relationships that is able to archive records from related tables minimizing (...
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Should we need to use Barriers on a production database (MySQL/InnoDB)?

Even though we are using a journaling filesystem (EXT3) with barrier enabled, is this still safer and recommended? e.g mount -o barrier=1 /dev/sda /mntpnt Reference: http://lwn.net/Articles/...
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1answer
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Daily database maintenance using SQL Server 2008 and a stored procedure

I have created a database maintenance plan using wizard though that link for SQL Server 2005. I have created a Maintenance Plan for SQL Server 2008 and it works fine. Now I required to complete the ...
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33k views

When To Update Statistics?

I've inherited a Maintenance Plans that does the following: Cleanup old data Checks DB integrity Performs Database and Transaction Log Backups Reorganizes Our indexes Updates Statistics Delete old ...
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Executing the query “UPDATE STATISTICS [dbo].[Contact] WITH FULLSCAN …” failed

My maintenance plan fails with the following error on one of my databases does anyone know how I can fix this problem? is is a corrupt table? Executing the query UPDATE STATISTICS [dbo].[Contact] ...
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1answer
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Need advice for a 'tag' table design

My website has different content types. All content types should be tag-able (except if specified in the model, whatever). I can think of 2 options for my design: 2 tables option : 1 table for the ...
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2answers
396 views

Is it possible to retrieve the specific databases selected in a maintenance plan step?

I would like to use a tsql query to retrieve the databases involved in one of the steps in a database backup plan I've created. From a previous question, I understand that somehow, the data is ...
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1answer
382 views

How to know there is a maintenance job running on a postgresql database

I have a python script on postgresql database which is fetching records from sql server database and inserting it to postgresql DB after some filtering. this jobs is running by cron every two minutes. ...
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1answer
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Thoughts about Oracle backup procedure for 11.2 (beginner question)

Two days ago we "found out" that our old, not taken care of, horribly neglected, Oracle DB server was extremely important to our business. The only person who knew anything about this server was ...
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When is it OK to shrink a Database?

I know shrink is the devil: It reverses page order and is responsible for skin cancer, data fragmentation, and global warming. The list goes on... That being said, say I have a 100 GB database and I ...
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Backup database and clean old backup question

Right now we have a maintenance plan which looks like this: backup all databases clean old backups (> 24 hours) This job runs every day. Every now and then this script crashes during backup step ...
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Log Custom SQL Results During Maintenance Plan

I would like the last step of my Maintenance Plan to execute a simple custom SQL script (SELECT * FROM <SomeTable> WHERE <Condition>), and save the results to a file (Text, CSV, etc). Is ...