For many companies, SQL standard conformity is an important consideration when choosing a relational database management system (RDMS), so why is this standard considered optional for database ...
Visual Studio Magazine: Is Microsoft 'Turning the Screws' on SQL Server Standard Edition Users?
The SQL Server community this week engaged in a lively debate about limitations of the 2014 Standard Edition and Microsoft licensing practices. The discussion--highlighted on Hacker News--was sparked ...
Developers should be aware of the hazards of using nonstandard SQL commands such as those found in Oracle, Microsoft, and MySQL systems. Instead, you should use ANSI SQL, which is a ...
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
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
Microsoft SQL Server is one of the exceptions: it doesn't support , and requires .
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.