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    The division operator in SQL is used to divide one expression or number by another. It is considered an arithmetic operator, along with addition (+), subtraction (-), multiplication (*), and modulus (%). The syntax for the division operator in SQL is straightforward:

    SELECT <expression> / <expression>
    FROM table
    [WHERE expression]

    The division operator can be used in various clauses such as SELECT, WHERE, HAVING, ORDER BY, or as part of a function.

    Integer Division in SQL

    When dividing integers in SQL, the behavior may vary depending on the SQL database management system (DBMS) you are using. For example, in MySQL and Oracle, the result of dividing two integers will be a real number (float), e.g., 3 / 2 = 1.5. However, in SQL Server and PostgreSQL, the result will be an integer, with any fractional part truncated, e.g., 3 / 2 = 1.

    Example

    Consider a table called stock with columns item, price, and quantity:

    SELECT quantity, quantity / 2 AS 'result'
    FROM stock_level;

    This query divides the quantity column by 2 and shows the result. However, in SQL Server, the result will be an integer, truncating any fractional part.

    How to divide a number using the division operator?
    Here’s an example of dividing a number using the division operator: The SQL query above will produce the following result set: | 15 / 3 | +--------+ | 5.0000 | +--------+ 1 row in set (0.00 sec) The division operator returns a floating number even when the division result is an integer.
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    LearnSQL.com
    https://learnsql.com/blog/sql-division-operator
    How the Division Operator Works in SQL - LearnSQL.com
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