Tag Archives for " DMV "

Using sys.sql_expression_dependencies as a Single Source to Find Referenced and Referencing Objects

By Lori Brown | Dependencies , Object Information , SQL Administration , SQL Development , SQL Server

I thought I would continue to expand on ways to view dependencies.  This post will give you an alternate way to find things referencing tables and finding things that are referenced by a stored procedure or view after my previous posts on the subject.  See these (https://www.sqlrx.com/finding_things_sql_that_reference_a_table/ & https://www.sqlrx.com/how-to-find-the-objects-and-columns-a-stored-procedure-or-view-uses/ ) A different way to find […]

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Rx for Demystifying Index Tuning Decisions – Part 8

By Jeffry Schwartz | Missing Indexes , Performance Tuning , Query Tuning , SQL Administration , SQL Development , SQL Server

Review Due to the holiday week, this part will be shorter than usual. In Parts 1 through 7 of this blog series the author discussed various aspects of SQL Server indices such as: Types of indices and their variations, e.g., clustered, nonclustered, filtered, and covering Physical versus logical index access methods, e.g., seeks, scans, key/RID lookups, […]

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Rx for Demystifying Index Tuning Decisions – Part 7

By Jeffry Schwartz | Missing Indexes , Performance Tuning , Query Tuning , SQL Administration , SQL Development , SQL Server

Review In Parts 1 through 6 of this blog series the author discussed various aspects of SQL Server indices such as: Types of indices and their variations, e.g., clustered, nonclustered, filtered, and covering Physical versus logical index access methods, e.g., seeks, scans, key/RID lookups, singleton lookups, and range scans Why index tuning should begin with […]

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Rx for Demystifying Index Tuning Decisions – Part 6

By Jeffry Schwartz | Indexes , Missing Indexes , Performance Tuning , Query Tuning , SQL Development , SQL Server

Review In Parts 1 through 5 of this blog series the author discussed various aspects of SQL Server indices such as: Types of indices and their variations, e.g., clustered, nonclustered, filtered, and covering Physical versus logical index access methods, e.g., seeks, scans, key/RID lookups, singleton lookups, and range scans Why index tuning should begin with […]

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Rx for Demystifying Index Tuning Decisions – Part 5

By Jeffry Schwartz | Missing Indexes , Performance Tuning , Query Tuning , SQL Development , SQL Server

Review Due to the holiday week, this part will be shorter than usual. In Parts 1 through 4 of this blog series the author discussed various aspects of SQL Server indices such as: Types of indices and their variations, e.g., clustered, nonclustered, filtered, and covering Physical versus logical index access methods, e.g., seeks, scans, key/RID […]

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Log Connections to SQL Instance

By Ginger Daniel | Helpful Scripts , Miscellaneous , SQL Administration , SQL Server

If you ever have a need to monitor connections to your SQL server, and any related information about the connections such as database, logins, etc., there are some DMVs that can give you tons of information. Previously you might have used the sys.sysprocesses table to derive much of this information, but this is being deprecated […]

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Links for new DMV’s in SQL 2017

By SQLRx Admin | Miscellaneous , SQL 2017 , SQL Server

Since we at SQLRX have been super busy this week and still need to do something for a blog post, I thought that doing a link round up of new dynamic management views that are going to be available in SQL 2017 would be a quick and good idea. I am really interested in sys.dm_db_log_info […]

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Query Tuning and Missing Index Recommendations

By Jeffry Schwartz | Missing Indexes , Performance Tuning , Query Tuning , SQL Development , SQL Server

Overview Most analysts are familiar with missing index recommendations provided by SQL Server when query plans are displayed within SSMS or reported by various missing index DMVs. Several questions arise concerning these recommendations: What determines whether a column becomes a key or included in the new index? Where does the ordering of the included columns […]

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SQL 2017 Is On The Way!!

By Lori Brown | CTP , SQL 2017 , SQL Server

–By Lori Brown  @SQLSupahStah SQL Server 2017 is rolling our way like a big ole train. And, with the new features that are going to be available there may be quite a few shops that want to jump onboard. As of this writing SQL Server 2017 CTP 2.1 is available for download and testing. (https://www.microsoft.com/en-us/evalcenter/evaluate-sql-server-2017-ctp/ […]

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