Index Internal Structure in SQL Server: Stairway to SQL Server Indexes Level 10
A detailed look the B-Tree structure – Leaf level and non-leaf level.
2012-01-20
17,063 reads
A detailed look the B-Tree structure – Leaf level and non-leaf level.
2012-01-20
17,063 reads
Determining how, and if, SQL Server is using your indexes.
2011-10-05
15,790 reads
Indexes that ensure data integrity in addition to locating rows.
2011-09-14
13,389 reads
A filtered index eliminates unusable entries from the index, producing an index that is as beneficial as, but much smaller than, an unfiltered index. If a certain subset of a table's data is frequently requested, a filtered index can also be a covering index; resulting in a considerable reduction in IO.
2011-08-24
15,245 reads
A nonclustered index entry consists of search key columns, included columns, and the bookmark. The bookmark value will be either a RID or the clustered index's key, depending upon whether the table is a heap or a clustered index. Choosing the best clustered index for a table requires that you follow three guidelines to ensure that the index key will make a good bookmark.
2011-08-03
15,773 reads
By Kevin3NF
Parts 1, 2 and 3 got you to the (SQL) engine room. Now we...
By gbargsley
Whether you’re a seasoned DBA or just exploring database tools, DBeaver offers a powerful,...
DBAs should never run SSMS under their everyday Windows account If you open SSMS under...
Import-Module ImportExcel # Path to your .sql file $sqlFile = "C:\Data\MyQueries.sql" $excelPath = "C:\Data\SqlExtract_$(Get-Date...
I have noticed sp_executesql also makes a single plan for a stmt with parameter...
If I want to track which login called a stored procedure and use the value in an audit, what function can I use to replace the xxx below?
create procedure AddNewCustomer @customername varchar(200) AS BEGIN DECLARE @added VARCHAR(100) SELECT @added = xxx IF @customername IS NOT NULL INSERT dbo.Customer ( CustomerName, AddedBy ) VALUES (@customername, @added) ENDSee possible answers