Lession - #1276 SQL Expressions
SQL expression is a blend of at least one values, operators and SQL functions that outcomes in to a worth. These SQL EXPRESSIONs are like an equation and they are written in inquiry language. You can likewise utilize them to question the information base for a particular arrangement of information.
Expressions are composed of different administrators and operands that assess to a solitary worth or a bunch of values. A few articulations don't utilize administrators; for instance, a segment name is an expression.