property JoinTableType: TJoinTableType;
jttNone
Theta joins, which use the WHERE clause to establish the filtering criteria, are the "old" way to do join operations.
In such type of join, each table in from clause have a corresponding TlzJoin object with JoinTableType = jttNone
Check JoinTable for table information.
jttTable
The first data source been connected to is a table.
Check JoinTable for table information.
jttJoin
The first data source been connected to is a TLzJoin object.
Check JoinJoin for join inforamtion.
TJoinTableType
Gudu software http://www.sqlparser.com
|
Send comments about this topic.
|