This free book is brought to you by Red Gate Software and Simple Talk Publishing. Why my query is running slow? Why isn't my index getting used? In order to answer these questions, you have to ask the same return question in each case: have you looked at the execution plan? Grant Fritchey provides the only dedicated and detailed guide to this essential topic.
2011-07-11
6,178 reads
The Replication infrastructure in SQL Server is implemented using SQL Server Agent to execute the various components involved in the form of a job (e.g. LogReader agent job, Distribution agent job, Merge agent job) SQL Server jobs execute a binary executable file which is basically C++ code.
2011-07-11
3,267 reads
In Part II of his series on monitoring SQL Servers, David Bird takes a look at importing data from your error logs.
2011-07-08 (first published: 2008-01-14)
18,243 reads
The basic texts for developing SQL code tend to leave unsaid the basic techniques for building routines such as stored procedures in TSQL. Phil Factor is well-known for his more lengthy and complex stored procedures, so we asked him to explain in more detail how he goes about developing things without the comfort of Visual Studio.
2011-07-08
3,997 reads
2011-07-07 (first published: 2009-05-27)
8,652 reads
This artcle attempts to differentiate between the uses of WITH RECOMPILE and OPTION (RECOMPILE) features.
2011-07-07
8,568 reads
Table Value Constructors (TVCs) are a useful feature of 2008, allowing you to specify tables of values and expressions. Users who are stuck with previous versions of SQL Server can play along, since Rob Sheldon demonstrates that there have always been ways of doing this in SQL Server, though less elegantly.
2011-07-07
3,929 reads
Recently I came across with an article on DB2 about using Union instead of OR. So I thought of carrying out a research on SQL Server on what scenarios UNION is optimal in and which scenarios OR would be best. I will analyze this with a few scenarios using samples taken from the AdventureWorks database
2011-07-06
6,349 reads
: "It is a narrow mind that cannot see things from more than one point of view." —George Eliot
2011-07-05 (first published: 2009-05-20)
8,245 reads
Indexes speed retrieval of rows from database tables or views. Here are the top index-related T-SQL statements that SQL Server DBAs should know.
2011-07-05
8,937 reads
PlanTrace: Stop Reading Redshift EXPLAIN Plans. Start Seeing Them Introducing PlanTrace — a free, browser-based...
By Steve Jones
I went to sleep while reading a Kindle book on my phone. I know...
A conversation with Jan Laš, CIO at HOPI, about what deploying a data agent...
Ya Kini Anda bisa menerima info penting resmi dari UOB Indonesia melalui WhatsApp bisnis...
Telp/wa 085169998765 Jl. Sumber Sari No.23 T 12, Babakan, Kec. Babakan Ciparay, Kota Bandung,...
Telp/wa 085169998803 Jl. Sumber Sari No.23 T 12, Babakan, Kec. Babakan Ciparay, Kota Bandung,...
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers