NOT-IN Operator in SQL
Q.1: How does SQL NOT IN Operator work?
Answer:
The NOT IN operator in SQL filters out rows in a table according to a condition that defines the values that shouldn’t be in a certain column. The NOT IN operator works by filtering out rows where the column value specified in the condition is in a list of values, or in a subquery.
Q.2: What is the Syntax of the SQL NOT IN Operator?
Answer:
The syntax of the SQL-IN Operator is as follows:
SELECT column_name(s) FROM table_name
WHERE column_name NOT IN (list_of_values);
Q.3: Is SQL NOT-IN Operator Used for only numeric data?
Answer:
No, SQL NOT-IN Operator is used for both numeric and non-numeric data. such as Strings, It will work fine for any data type.
SQL NOT IN Operator
In SQL Server, the NOT IN operator replaces a set of arguments with the <> or != operator that is combined with the AND operator. This operator can be used to make code more readable and easier to understand for SQL statements like SELECT, UPDATE, and DELETE. In most cases, it won’t affect performance.
Syntax:
SELECT column_name(s)
FROM table_name
WHERE column_name NOT IN (list_of_values);
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