SQL is a widely-used programming language for computer databases in business. Frequently, software developers need to combine different kinds of data, such as integer and character fields, into a ...
3 divided by 2.0 returns 1.5 in SQL Server. This is because 2.0 includes a decimal point and therefore SQL Server treats it as a DECIMAL data type. The resulting value also has a DECIMAL data type.
The SQL specification only defines SMALLINT and INT with implementation defined precision. The only constraint is that both have precision, that precision is of the same type, and SMALLINT <= INT.
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