Greg Larsen discusses the BUCKET_COUNT setting of a HASH index and how to determine how well SQL Server distributes the In-Memory table rows across multiple buckets of a HASH index, by exploring a new DMV, provided with SQL Server 2014, along with the In-Memory OLTP table functionality.
2014-03-19
2,032 reads
This function counts the number of 1's in the binary representation of an integer.
2015-04-28 (first published: 2014-02-24)
989 reads
I wrote this query that helps us find executed queries with most number of execution counts. The DMV that we have used in this script is sys.dm_exec_query_stats and the function that we have used is sys.dm_exec_sql_text.
2015-03-04 (first published: 2013-09-23)
5,192 reads
When you need to present the same SQL Server Reporting Services (SSRS) report in eight or more different languages, or in different formats for different recipients, and the boss demands last-minute changes, it suddenly makes sense to use the Report Definition Customisation Extension (RDCE) .NET class library to create the final reports automatically. But how?
2013-05-02
2,460 reads
An introduction to Universal Product Codes with code to help you use them in your database.
2013-02-28
6,689 reads
As the volume of data increases, DBAs need to plan more actively for rapid restores in the event of failure. For this, the intelligent use of filegroups is important, particularly when the Enterprise Edition of SQL Server offers the hope of online restores. How, though, should you arrange your data on the different filegroups? What happenens if the primary filegroup gets corrupted? Why backup and restore indexes?
2012-11-13
2,996 reads
A new feature in SQL Server 2012 is Sequence. A Sequence object provides functionality similar to Identity.
2012-10-22 (first published: 2012-09-11)
2,067 reads
2012-07-05 (first published: 2012-06-15)
952 reads
2012-06-05
2,021 reads
2011-11-07
2,039 reads
By Steve Jones
My life has some crazy travel stretches for sure. Between speaking, office visits, customer...
In Part 1, we saw how ‘Vamana’ represents vectors as nodes, connects them with...
I’m excited to announce the release of a new open-source project that fully automates...
Comments posted to this topic are about the item Optional Parameter Plan Optimization in...
Comments posted to this topic are about the item AI Experience Gap that we...
There is a table tmp_tab:
CREATE TABLE tmp_tab ( id int, val int );
INSERT INTO tmp_tab VALUES (1, 1), (2, NULL), (3, 3), (4, 4), (5, 5);You want to order the rows ids by the following expression:
ISNULL(val, id) + 1Which of the following queries produces the expected ordering and why? (Select all correct) See possible answers