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12.6. Table Constraints

Constraints can be defined on table/view to define indexes and relationships to other tables/views. See "create table body" in Section A.7, “Productions”.
This information is used by the JBoss Data Virtualization optimizer to plan queries or use the indexes in materialization tables to optimize the access to the data.
CONSTRAINTS are same as one can define on RDBMS.

Example 12.4. Example of CONSTRAINTs

CREATE VIEW CustomerOrders (name varchar(50),  saledate date, amount decimal, 
   CONSTRAINT EXAMPLE_INDEX INDEX (name, amount)
   ACCESSPATTERN (name)
   PRIMARY KEY ...
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