Does Caché support SQL CREATE SEQUENCE as in PostgreSQL? If not, what would be the best alternative? Create my own sequence logic as the example bellow?  Class Util.MySequence Extends %Persistent [ ClassType = persistent, ProcedureBlock ] { Property dummy As %String; Property myvalue As %Integer [ Calculated, SqlComputeCode = { Set {myvalue}=##class(Util.MySequence).CurrentValue()}, SqlComputed ]; ClassMethod CurrentValue() As %Integer { s x=$I(^MySequence) Quit x } Method myvalueGet() As %Integer [ CodeMode = expression ] { ..CurrentValue() } }   Thanks.