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SQL programmingYou can use the HCL OneDB™ implementation of the SQL language to develop applications for database servers.
Guide to SQL: TutorialThe HCL OneDB™ Guide to SQL: Tutorial shows how to use basic and advanced structured query language (SQL) to access and manipulate the data in your databases. It discusses the data manipulation language (DML) statements as well as triggers and stored procedure language (SPL) routines, which DML statements often use.
Compose SELECT statements
SELECT statement overview
Some basic concepts
Relational operations

Relational operations

A relational operation involves manipulating one or more tables, or relations, to result in another table. The three kinds of relational operations are selection, projection, and join. This chapter includes examples of selection, projection, and simple joining.