CASE WHEN in SQL is a conditional function that allows you to define specific rules for operations on a data table. Thus, we use it when a specific condition is true. The CASE WHEN is composed of three parts: the “CASE” clause, the “WHEN” clause and the “THEN” clause. Thus, w...
I have a use case in which I have to get last five password from passwordhistory table,and there two column one md5 encrypted and second is hash ,after retrieving five records then I have to compared these column with new password,after moving them from md5 and hash function,if any ...
The REPLACE function in SQL is not case-sensitive. It replaces all instances of the specified string, irrespective of their case. For example, replacing ‘abc’ in a string will replace ‘abc’, ‘AbC’, ‘aBC’, etc. Can I use REPLACE to update data in multiple columns simultaneously?
In SQL Server there is anIF…ELSE control flow statement. However, it cannot be used inside a SELECT statement. The closest of IF…THEN operation which can be used in SELECT statements is CASE expression or the IIF function. Let us see how to use CASE and IIF using an example. For thi...
AND / OR Filtering in Report Builder 3.0 utilizing a Shared Dataset Anonymise the data using SQL Another "Thread was being aborted" error in Production Server Any ProperCase function in SSRS report Any way to embed SSRS in a PHP web page or standard HTML Web Page? Are @ReportName and @...
I am passing start month and end month e. between 4 to 12. But if I passed month 1 or 2, 3 then it getting problem. So how it is possible use case in the where clause following sql query. Other wise my sql squery is getting large because there have so many field which is I ...
useCOALESCE
'Incorrect syntax near' error while executing dynamic sql 'INSERT EXEC' within a function did not work 'Sort' in exuction plan is showing more than 90 % cost, what to do? 'TRY_CONVERT' is not a recognized built-in function name 'VARCHAR' is not a recognized built-in function name. ...
However, this is the worst case scenario which we do not want to see in this SQL unit testing. This violates the unit test dependency isolation pattern. Now we will go through a demonstration and we will explore how to use a fake function in the SQL unit testing. The following scalar-...
()” is one of the string functions that is used to reverse the sequence of the string characters. The REVERSE() function accepts one of the string data types like TEXT, VARCHAR, etc., and its return type is text. A common use case of the REVERSE() function is to check if a ...