Database Best Practices

Query to find permissions granted directly at to specific objects for a specific user – Netezza

admin — Tue, 21 May 2013 00:44:27 +0000

You can run below query to find permissions granted directly at to specific objects for a specific user. This query will also report the object name, object type and the database name where this access is granted.
Here we will pull data from various system table and system views in system database.

SQL Server Agent job history getting lost or not populating

admin — Wed, 01 May 2013 12:53:44 +0000

You may come across a scenario when all of a sudden you are not able to see the job history for almost all the jobs except few. Here are few things that will help you in analyzing the issue. Recently we have faced this issue in our environment below id how I manage to find the cause of this issue:-

Query to find the size of each database in Netezza environment

admin — Fri, 26 Apr 2013 00:46:43 +0000

Please run below query to find the size of each database in Netezza environment. The output of this query will be the database name and total space allocated to the database.
This data is stored in system views under system database.

Auditing database restore in SQL Server instance

admin — Sat, 13 Apr 2013 01:01:18 +0000

How to confirm if someone have restored a database? Which database backup file is restored? WHo did the restore? When was the database last restored?

To find the answer of all these questions you may have to run couple of queries shown below.
Please make sure you run these queries under MSDB database.

Query to find tables consuming more space in a disk – Netezza

admin — Tue, 02 Apr 2013 00:55:02 +0000

Some times you may find that your Netezza data slice used space have grown a lot and now you want to check which all tables are consuming space on those data slices/disk so that you can try to find if those tables needs to be groomed, etc.

Query to find database backup time – Netezza

admin — Thu, 21 Mar 2013 00:51:51 +0000

You can use below query to find database backup time in Netezza environment. This query will provide the database backup time (Full / Differential / User backup) for each database along with the backup start and finish time. Query will not display any data for failed database backup attempts.
Here we will query system view _v_backup_history in system database.

Query to find all the resource groups in a Netezza system

admin — Wed, 13 Mar 2013 00:43:50 +0000

You can run below query to find all the resource groups in a Netezza system. The output of this query will also give us the maximum and minimum resource allocation values in percentage.
To get these details we will query system view _v_group in system database.

How to view SQL Server Performance (Perf Mon) counters collected through scheduled data collector sets?

admin — Mon, 05 Nov 2012 00:37:47 +0000

To view the report of the counters collected through data collector sets in previous post, please follow the below steps:

Go to Start –> Run –> type “Perfmon” –> Enter. Below Screen will open.

How to Schedule a job to collect SQL Server Performance Monitor (PerfMon) counters?

admin — Sun, 28 Oct 2012 23:19:14 +0000

Please follow below steps if you would like to schedule a job to collect SQL Server (or any other OS related) performance counter over the spam of hours/days/etc. Here we will create a manual data collector set and will schedule it to run as per our requirement.

Windows cannot access the specified device, path or file

admin — Fri, 19 Oct 2012 00:58:19 +0000

You may get below error when you try to run SQL Server 2000 patch exe:-

Windows cannot access the specified device, path or file. You may not have appropriate permission to access the item