Compound operators execute some operation and set an original value to the result of the operation. For example, if a variable @x equals 35, then @x += 2 takes the original value of @x, add 2 and sets ...

The result of a comparison operator has the Boolean data type. This has three values: TRUE, FALSE, and UNKNOWN. Expressions that return a Boolean data type are known as Boolean expressions. Unlike ...

Abstract: Current database management systems have their limitations when it comes to handling imprecise data. Several DBMS prototypes emerged in this regard by merging the laws of fuzzy set theory ...