How to use if else condition in case statement using sql server 2008? how to use IF statement in subquery how to use IF-THEN-ELSE in a inline table-valued function how to use iif in sql server 2008? How to use like operator in dynamic query? How to use LIKE operator with Varible in...
in 和 exists的区别: 如果子查询得出的结果集记录较少,主查询中的表较大且又有索引时应该用in, 反之如果外层的主查询记录较少,子查询中的表大,又有索引时使用exists。其实我们区分in和exists主要是造成了驱动顺序的改变(这是性能变化的关键),如果是exists,那么以外层表为驱动表,先被访问,如果是IN,那么先执行子...
Introduction In this article we will discuss about how to avoid ELSE-IF Statement in stored procedure in SQL Server. As we all know that stored procedure is faster than LINQ, so we will fetch data from database using stored procedure. Background Here we have to use condition with where ...
1. Determine what version of SQL Server you have and double-click the link below to download the zip file of SQL templates. In the zip file, click on the TRACETMPL folder and double-click on the .tdf file for your version and SQL Profiler will aut...
Note If you are using SQL Server 2005, you must specify a value that is not empty for the Product name property in SQL Server Management Studio or for the @srvproduct property in the stored procedure for an Excel data source. Using SQL Server Management Studio or Enterprise Manager to confi...
Python 2 is consideredend-of-life. You should use Python 3 to run the script provided in this article. If you have both Python 2 and Python 3 running on your system, you should make sure your version of pip is linked to Python 3 before you proceed. ...
How do I check if EmpID EE# exists in SupervisorID column and categorize it based on Manager or Individual Contributor in OBIEE. Here's the table for reference. Currently, consider there are only 2 columns EmpID EE# and SupervisorID. I need a formula t...
of WordPress, or if any of your plugins and themes are outdated, you open yourself to security gaps that hackers can exploit. That’s why wemanage all patches and updates to core for customers. This includes elements that may be overlooked but can expose your database to an SQL injection....
How to Pivot or Unpivot Data in SQL?1. Introduction Different people may have different idea on "pivot data": If you are an Excel expert, you may think it as creating an excel pivot table and dragging data tab with mouse. If you use R, you may think it as making a long table to...
If we want to specify the characters to be removed or if we want to remove a substring from the original or given string, then we can also achieve that by using the LTRIM(). SELECT LTRIM('99866', '9') as example; Output: In the above example, we can see that, as specified in ...