An SQL-99 keyword. The ABS function returns the absolute value of a number or an interval. Absolute values measure magnitude. Therefore they are always positive.
When defining a trigger, you can specify the trigger timing--whether the trigger action is to be executed before or after the triggering statement.AFTER triggers execute the trigger action after the triggering statement is executed.BEFORE and AFTER apply to both statement and row triggers.
An SQL verb: to change a definition. SQL Objects that may be altered include: Tables, Domains.
Going up. In an ascending sort sequence, the number 5 comes after 4 in the number sequence, and the letter "K" comes after "G" in the alphabet. Opposite is descending. Short form (used in SQL) is ASC.
An SQL set function, short for "average", which returns the arithmetic mean for a columnar expression.