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SQL programmingYou can use the HCL OneDB™ implementation of the SQL language to develop applications for HCL OneDB™ database servers.
Guide to SQL: SyntaxThe HCL OneDB™ Guide to SQL: Syntax describes the syntax of the statements, data types, expressions, operators, and built-in functions of the HCL OneDB™ dialect of the SQL language.
SQL statementsThis chapter describes the syntax and semantics of SQL statements that are recognized by HCL OneDB™.
CREATE INDEX statementUse the CREATE INDEX statement to create an index for one or more columns in a table, or on values returned by a UDR that uses column values as arguments.
Index modesUse the index mode options of the CREATE INDEX statement to specify the behavior of the index during INSERT, DELETE, MERGE, and UPDATE operations.
Specifying Modes for Duplicate Indexes

Specifying Modes for Duplicate Indexes

You must observe the following guidelines when you specify modes for duplicate indexes in CREATE INDEX statements:

You can set a duplicate index to enabled or disabled mode. Filtering mode is available only for unique indexes.
If you do not specify the mode of a duplicate index, by default the index is enabled.

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