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What does symbol mean in SQL query?
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.
What is this symbol <> in SQL?
| Symbol | Description |
|---|---|
| ‘<>’ | Not equal operator |
| ‘<=’ | Less than or equal operator |
| ‘>=’ | Greater than or equal operator |
| ‘>’ | Greater than operator |
What is * used for in SQL?
SQL Arithmetic Operators:
| Operator | Description |
|---|---|
| + | Addition – Adds values on either side of the operator |
| – | Subtraction – Subtracts right hand operand from left hand operand |
| * | Multiplication – Multiplies values on either side of the operator |
| / | Division – Divides left hand operand by right hand operand |
What is symbol in SQL?
The syntax for creating a SQL comment using /* and */ symbols in SQL Server (Transact-SQL) is: In SQL Server, a comment that starts with /* symbol and ends with */ and can be anywhere in your SQL statement. This method of commenting can span several lines within your SQL.
What is like in SQL?
LIKE in SQL is actually an operator, not a query. It is used in SQL statements to perform pattern matching on character-type (not numeric-typed) data.
What is a dollar sign in SQL?
The dollar signs are used for dollar quoting and are in no way specific to function definitions. It can be used to replace single quotes practically anywhere in SQL scripts. The body of a function happens to be a string literal which has to be enclosed in single quotes.
What is operator in SQL Server?
Operators In SQL Server. An operator is a symbol which is used to perform some actions on the given expressions. An operator is a symbol which is used to perform some action on given expressions.