Greenplum Constraints are used to apply business rules for the database tables. You can define constraints on columns and tables to restrict the data in your tables. Greenplum Database support for constraints is the same as PostgreSQL with some limitations. Read: Greenplum Sequence and its Usage Greenplum Data Loading Options Greenplum constraints includes: CHECK NOT NULL UNIQUE PRIMARY KEY FOREIGN KEY CHECK Greenplum Constraints and Example CHECK Greenplum Constraints allows you to specify that the value in a certain column must satisfy a Boolean expression. The boolean condition will evaluate to…