Clicking on CREATE will create the composite relation. You can add columns to the relation by using the Add Relationship button. It is possible to add Relations involving Composite Keys.This will be indicated by a dotted line and the virtual flag is set in the relationship property. Clicking on CREATE will create the virtual relation. This will enable one to enforce DB level constraints without having to write any scripts or queries. This feature can be used to establish relations without changing the DB Schema. It is possible to add Virtual Relations.Many-to-One Composite relation is possible when Table 1 has at least one non-Composite key column selected and Table 2 has the composite keys.One-to-Many Composite relation is possible when Table 1 has the composite keys and Table 2 has at least one non-Composite key column selected.One-to-One Composite relation is possible between the tables which have the same number of composite keys.Select the cardinality of the relation:.In the dialog the source table and column are already selected and not editable.For each column, on select and hover, a Create Relation icon displays.Click the second column of the relationship. Select and hover over the column to build a relationship on.In WaveMaker, there are two ways of creating relationships: It takes care of the consistency while linking two tables. Relations are a way to establish a connection between tables within a given database. WaveMaker supports Composite Keys that is multiple columns can be specified as Primary Keys.
#DBSCHEMA SET PRIMARY KEY GENERATOR#
Sequence will assign the values based on the generator name given.Auto-generated will assign the primary key values or.Assigned lets user enter the primary key values,.Primary Key - In case of primary key column, the value can be set to ( see here for more) Database Defined which uses database trigger or the default values.
#DBSCHEMA SET PRIMARY KEY UPDATE#
Value Type - From the Data tab, set the Value Type as ( click here for more):
SQL and Java Types – It is advisable to make changes to Java Types rather than SQL Types unless you want the changes to be reflected in the database, in which case you need to export the database. For each column, you can specify the following: This feature is not available for MySQL databases.Ĭlick Add Column to add columns to the table.
These actions are restricted to Schemas in Editable mode.