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What does mean this symbol '@' in SQL?

Contents
  1. What does '@' mean in MySQL?
  2. What does this symbol means in SQL query?
  3. What is this symbol in SQL <>?
  4. What is @@ in SQL?
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. 12 дек. 2008 г.


What does '@' mean in MySQL?

The @ makes it a user defined session variable. Otherwise it would be locally scoped variable (in a stored procedure), you would have to DEFINE your local before you can SET it. You could also set a global system variable (with SET GLOBAL or SET @@global ) if you wanted to.

What does this symbol means in SQL query?

Meaning of the symbol “<>” is “not equal to”…. It's quite a simple this function that is used to compare values in the database table. You can eliminate the records which are not necessary. Table name “Test” Slno name.

What is this symbol in SQL <>?

While some databases like sql-server support not less than and not greater than, they do not support the analogous not-less-than-or-equal-to operator ! <=. ... Comparison Operators.SymbolOperation<>Not equal to!>Not greater than!<Not less than

What is @@ in SQL?

In SQL Server, symbol @@ is prefixed to global variables. The server maintains all the global variables.

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