Microsoft SQL Server is one of the exceptions: it doesn't support , and requires .
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In SQL, anything you evaluate / compute with NULL results into UNKNOWN This is why SELECT * FROM MyTable WHERE MyColumn != NULL or SELECT * FROM MyTable WHERE MyColumn <> NULL gives you 0 results.
sql - Not equal <> != operator on NULL - Stack Overflow
In My Query one place some other developer using <> (angle brackets) What does it mean ?
I have seen SQL that uses both != and <> for not equal. What is the preferred syntax and why? I like !=, because <> reminds me of Visual Basic.
Should I use != or <> for not equal in T-SQL? - Stack Overflow
The @CustID means it's a parameter that you will supply a value for later in your code. This is the best way of protecting against SQL injection. Create your query using parameters, rather than concatenating strings and variables. The database engine puts the parameter value into where the placeholder is, and there is zero chance for SQL injection.
I have a simple question. I want to list down all the scenarios where we can use the keyword asterisk(or star) . I am known of only these scenarios: Select * from Customers; Select Count() from
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