AQL relational operators and logical clauses

The after relational operator represents a greater than condition used in constructing selection clauses. The gt and > operators perform the same function.

The and clause is used between selection criteria clauses to indicate that both condition being evaluated as true selects the item for processing.

The before relational operator represents a less than condition used in constructing selection clauses. The < and lt operators perform the same function as before.

The equal operator represents an equal to condition used in constructing selection clauses. When a valuestring is included, the data found in each item must match it exactly in order for the data to be selected for processing.

The ge relational operator represents a greater than or equal to condition used in constructing selection clauses.

The gt operator is a greater than relational operator.

The le operator selects items whose specified attribute name contains a value less than or equal to the specified value string.

The lt operator selects items whose specified attribute name contains a value less than the specified value string.

The ne operator selects items whose specified attribute name contains a value not equal to the specified value string.

The no operator reverses selection condition.

The not operator represents a not equal to condition. This reverses the true sense of the condition in a selection criteria. The #, no, and ne operators perform the same function as not.

The or clause is used between selection criteria clauses to indicate that either condition being evaluated as true selects the item for processing.