What does in keyword mean in SQL?
- What does the in keyword do in SQL?
- What is keyword in SQL with example?
- What does mean this symbol '@' in SQL?
- What means %s in SQL?
What does the in keyword do in SQL?
The SQL IN Operator The IN operator allows you to specify multiple values in a WHERE clause. The IN operator is a shorthand for multiple OR conditions.
What is keyword in SQL with example?
In SQL, the keywords are the reserved words that are used to perform various operations in the database. There are many keywords in SQL and as SQL is case insensitive, it does not matter if we use for example SELECT or select.
What does mean this symbol '@' 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.
What means %s in SQL?
%s is a placeholder used in functions like sprintf. Check the manual for other possible placeholders. $sql = sprintf($sql, "Test"); This would replace %s with the string "Test". It's also used to make sure that the parameter passed actually fits the placeholder.
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