In a previous tip we looked at how to determine which indexes were being used for a SQL Server 2005 database. “Databases have two primary storage needs; data pages and index pages. Understanding and viewing the actual data in your tables is pretty straightforward by running some sample querie...
SELECTOBJECT_NAME(A.[OBJECT_ID])AS[OBJECT NAME],I.[NAME]AS[INDEXNAME],A.LEAF_INSERT_COUNT,A.LEAF_UPDATE_COUNT,A.LEAF_DELETE_COUNTFROMSYS.DM_DB_INDEX_OPERATIONAL_STATS(NULL,NULL,NULL,NULL)AINNERJOINSYS.INDEXESASIONI.[OBJECT_ID]=A.[OBJECT_ID]ANDI.INDEX_ID=A.INDEX_IDWHEREOBJECTPROPERTY(...
The SQL query below shows a list of tables sorted by the largest tables first. For each table, the indexes in the table are shown. For each index it shows when the index was last used. The query is designed to collect various pieces of information in one place, and give an ...
To traverse the tree, a simple SQL query is written with a filter to only match items where the name is equivalent to the value of Touring-1000 Blue.SQL Copy SELECT * FROM products p WHERE p.name = 'Touring-1000 Blue' The query engine could then traverse the tree in the following ...
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Step 4: Add missing indexes Show 7 more Applies to:SQL Server This article provides procedures to diagnose and fix issues that are caused by high CPU usage on a computer that's running Microsoft SQL Server. Although there are many possible causes of high CPU usage that occur in SQL Server...
Is it possible to force mysql to use indexes for a small amount of data in the db? It is just for local development testing purposes. Can I change any parameter in mysql to force index usage? BACKGROUND I have created a java junit testing library that wraps all queries sent to the DB...
indexes.models com.azure.search.documents.models com.azure.search.documents.options com.azure.search.documents.util com.azure.communication.chat com.azure.communication.chat.models com.azure.communication.common com.azure.communication.identity com.azure.communication.identity.models com.azure.communication....
This doesn't necessarily mean it is time to create more indexes or throw more hardware at the problem. And if it is time to throw more hardware at the problem, there may be no money available for new boxes.You can't always assume that periods of high utilization represent legitimate work...
Date: June 22, 2005 10:35AM I am running a SELECT query that is taking approx. 200+ seconds to complete. I believe I have the tables indexed properly, but apprarently not. How can I determine what indexes a query is using and evaluate the execution plan (as you would in MSSQL)?