Language Sentences
lifecycle sentence
Ÿ    In relation to a table, it lets define: the records’ states;  the table’s transformations; the transition constraints and the default rules
ŸLifecycle TABLE_NAME {
Ÿ   (TYPE_OF_RULE)
Ÿ   [STATES] {
Ÿ <state_name, string_constant>
Ÿ }
Ÿ [TRANSFORMATIONS] {
Ÿ      <transformation_name, string_constant, type_of_sentence>
Ÿ }
Ÿ [TRANSITIONS] {
Ÿ      <state_name, transformation_name, state_name>
Ÿ }
Ÿ [DEFAULT RULES] {
Ÿ <action_rule_descriptor>
Ÿ }
Ÿ}