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System Datatypes

Map SQL datatypes to their InterSystems IRIS® data platform equivalents.


[SqlSysDatatypes]    x=a

x is the name of an SQL datatype. a is the InterSystems IRIS equivalent.


The [SqlSysDatatypes] section contains system-defined datatype descriptions. Each description maps an SQL datatype to its InterSystems IRIS equivalent in the format x=a, as follows:

  • Each keyword x is the name of the SQL datatype, plus any allowed arguments.

  • The value a is the InterSystems IRIS equivalent, including any constraints on the arguments.


The following excerpt of a configuration parameter file shows the [SqlSysDatatypes] which begin with the letter B. For a table of all System-Defined DDL Datatype mappings, see Table of DDL Data Types in the “Data Types” chapter of InterSystems SQL Reference.

BINARY VARYING(%1)=%Library.Binary(MAXLEN=%1)

Changing This Parameter

On the System-defined DDL Mappings page of the Management Portal (System Administration > Configuration > SQL and Object Settings > System DDL Mappings), select Edit to modify a datatype definition.

Instead of using the Management Portal, you can modify datatype definitions by editing the CPF in a text editor (as described in the Editing the Active CPF section of the “Introduction to the Configuration Parameter File” chapter in this book).

See Also

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