MSSQL Tips: Tip #35 – More Master Data Services (MDS) Tips and Tricks

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Here are more tricks and tips that will help you to get more familiar with SQL Server Master Data Services (MDS), it’s functionality and interfaces.

Please read the latest MSSQL Tip: “More Master Data Services (MDS) Tips and Tricks“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #34 – SQL Server Master Data Services (MDS) Tips and Tricks

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In this and one of the following tips we will provide several tricks and tips that will help you to get more familiar with SQL Server Master Data Services (MDS), it’s functionality and interfaces.

Please read the latest MSSQL Tip: “SQL Server Master Data Services (MDS) Tips and Tricks“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #33 – SQL Server Master Data Services (MDS) custom Delete Stored Procedure

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By default entity members in Master Data Services (MDS) are not deleted permanently. They are “soft” deleted (deactivated) and available for recovery from a transaction history.

In this tip we have listed several methods for deleting MDS members and we have provided a script for the custom “delete” stored procedure.

Please read my latest MSSQL Tip: “SQL Server Master Data Services (MDS) custom Delete Stored Procedure“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #32 – Resolving SQL Server Master Data Services (MDS) Patching Errors

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When you patch a server hosting the MDS Web Application with an SQL Server update and if you have not completed the upgrade sequence users may get this error in the MDS Web Application on client side.

Check out details in the following MSSQL Tip: “Resolving SQL Server Master Data Services (MDS) Patching Errors“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #31 – Install and configure multiple instances of Master Data Services MDS on the same server

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Find out how to install and configure multiple instances of Master Data Services MDS on the same server in my latest MSSQL Tip.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #30 – SQL Server 2014 Master Data Services Assigning Administrator Permissions

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SQL Server 2014 MDS has a limitation. There could be only one MDS Administrator.

In this tip we have provided some tips and the best practices on granting permissions in MDS.

Please read my latest MSSQL Tip: “SQL Server 2014 Master Data Services Assigning Administrator Permissions“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #29 – SQL Server Database Decommissioning Check List

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Different companies have various requirements and processes for database or database server decommissioning. In this tip we have provided steps that will help you decommission a database and make sure you have a good back-out plan (for example, in case there is a need to bring the database back online). We have also provided scripts that will help you identify dependencies in case there is a need to migrate the database instead of decommissioning.

You may already have a process documented, but this list will help you review most of the dependencies and make sure you are prepared for either a migration or decommissioning.

Please read my latest MSSQL Tip: “SQL Server Database Decommissioning Check List“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #28 – SQL Server Master Data Services (MDS) Versions

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SQL Server Master Data Services (MDS) provides versioning for the MDS models, but what are they used for and what can we do with the versions?

Please read my latest MSSQL Tip: “SQL Server Master Data Services (MDS) Versions“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #27 – SQL Server Master Data Services (MDS) Database Restore Steps

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In some cases when you try to restore a Master Dats Services database you can get errors. To complete the restore you may need to perform additional steps.

Please read my latest MSSQL Tip: “SQL Server Master Data Services (MDS) Database Restore Steps“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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Shrink database files and DBCC CheckDB

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Shrinking database files is never a good idea. Read this article about alternative method on removing free space from the files: http://www.sqlskills.com/blogs/paul/why-you-should-not-shrink-your-data-files/.

In rare occasion when you decide to do this make sure you run DBCC CHECKDB after shrinking the file. You may encounter allocation errors:

CHECKDB found 1 allocation errors and 0 consistency errors in database…

Some of these errors could be fixed by running table or index rebuild command:

ALTER TABLE dbo.Test_1 REBUILD;

 

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MSSQL Tips: Tip #26 – Export Data from IBM DB2 iSeries to SQL Server

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Steps to install a data source driver and to configure an ODBC connection to the IBM DB2 for i (iSeries). Also an example of SSIS (SQL Server Integration Services) package that exports data from the iSeries to a SQL Server database.

Please read my latest MSSQL Tip: “Export Data from IBM DB2 iSeries to SQL Server“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #24 – SQL Server 2016 Query Store Queries

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What are some practical applications of using the Query Store? What queries can be run against the Query Store? What sort of questions can I get answered?

Please read my latest MSSQL Tip: “SQL Server 2016 Query Store Queries“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #23 – SQL Server 2016 Query Store Example

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New tip with example on how to use SQL Server 2016 Query Store, how to track multiple execution plans and how to force an efficient plan.

Please read the latest MSSQL Tip: “SQL Server 2016 Query Store Example“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #22 – Compare SQL permissions using SQL Server Data Tools

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In this new tip you will find out how to use Visual Studio and SQL Server Data Tools to compare a database permissions and to copy permissions (including users and logins).

Please read the latest MSSQL Tip: “Compare SQL permissions using SQL Server Data Tools“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #21 – SQL Server 2016 Query Store Introduction

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As promised here is the first tip about SQL Server 2016 Query Store.

Please read the MSSQL Tip here: “SQL Server 2016 Query Store Introduction“. Stay tuned for more tips about the Query Store.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/

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SQL Server 2016 CTP 2.2 is now available

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SQL Server 2016 CTP 2.1 became available on June 24th 2015 about one month after Microsoft made public SQL Server 2016 CTP 2.0.

Today CTP 2.2 is available for download. Among all of the new Database Engine features Query Store stands out as a great addition to the performance tuning tools currently available out of the box.

Stay tuned for the MSSQLTips articles about SQL Server 2016 Query Store.

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MSSQL Tips: Tip #20 – Monitor SQL Server Master Database Changes with WMI Alerts

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In this new tip you will find out how to setup monitoring of the master database and get real time notifications when the new objects created there.

Please read the latest MSSQL Tip: “Monitor SQL Server Master Database Changes with WMI Alerts“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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ORA-01013 error troubleshooting

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A user reported an application error ORA-01013. The error message was: “User requested cancel of current operation”. The user retried it several times, but had the same result.

The application uses Oracle database and there were no changes to the database since the last time when user was able to run this process.

The user was able to run the process in the test environment without any issues as well. I ran the same query from DBA query tool and the query completed successfully.
So, my first thought was that there was something wrong with application server itself.
After 10 minutes of checking similar issues (ORA-01013 error) online and on Oracle support site I found no explanation of why would this happen.

I started analyzing the query’s execution for both – for DBA’s execution and for the application.

So, when the query was running from the application it was running just for 15 seconds and then it was just cancelled (with error ORA-01013). It was cancelled every time after exact 15 seconds. When I ran the query myself it was running for about 2 minutes. The interesting thing was that SQL IDs for these two executions were different.

My next step was to find the query in cash plan:

select address, hash_value from v$sqlarea
where sql_text like ‘SELECT COUNT(*)%HERE IS THE PROBLEM SQL…%’ and sql_id<>’6munh028ah2bm’;

Where “6munh028ah2bm” was SQL ID of my execution.

Then I removed the “bad” plan from the cash:

exec sys.dbms_shared_pool.purge(‘00000004E2C255D8,1992735705′,’c’);
commit;

We have not tried to test it right after this, so I am not sure if this is enough to fix the problem. The next steps were to gather statistics for the tables related to the query.

This fixed the problem.

I thought I need to share this as I was not able to find anything helpful on the web during my troubleshooting. Hopefully next time it will safe time to somebody.

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MSSQL Tips: Tip #19 – New SQL Server Database Request Questionnaire and Checklist

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My new tip will help you to gather requirements for the new databases and have basic documentation from day one.

Please read the latest MSSQL Tip: “New SQL Server Database Request Questionnaire and Checklist“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #18 – Using Policy Based Management for SQL Server Availability Groups Data Loss Alerts

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This tip is again on my favorite topic – Policy Based Management.

Please read the latest MSSQL Tip: “Using Policy Based Management for SQL Server Availability Groups Data Loss Alerts“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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MSSQL Tips: Tip #17 – Using Policy Based Management to check that SQL Server indexes are created in the correct filegroup

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Another tip about using Policy Based Management for the SQL Server checks.

Please read the latest MSSQL Tip: “Using Policy Based Management to check that SQL Server indexes are created in the correct filegroup“.

Check out all of my tips here: http://www.mssqltips.com/sqlserverauthor/94/svetlana-golovko/.

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