Developer Tool Guide

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JDBC and Transformation Datatypes

When the Data Integration Service reads data from a JDBC source, it converts the native datatypes into the corresponding JDBC datatypes and then to the transformation datatypes. It uses the transformation datatypes to move data across platforms.

The following table compares the JDBC datatypes to the transformation datatypes:

JDBC Datatype	Transformation	Range
Bigint	Bigint	-9,223,372,036,854,775,808 to 9,223,372,036,854,775,807 Precision 19, scale 0
Binary*	Binary	1 to 104,857,600 bytes
Bit	Integer	-2,147,483,648 to 2,147,483,647 Precision 10, scale 0
Blob*	Binary	1 to 104,857,600 bytes
Boolean	Integer	-2,147,483,648 to 2,147,483,647 Precision 10, scale 0
Char*	String	1 to 104,857,600 characters
Clob*	Text	1 to 104,857,600 characters
Date	Date/Time	Jan 1, 0001 A.D. to Dec 31, 9999 A.D. (precision to the nanosecond)
Decimal	Decimal	Precision 1 to 28, scale 0 to 28
Double	Double	Precision 15
Float	Double	Precision 15
Integer	Integer	-2,147,483,648 to 2,147,483,647 Precision 10, scale 0
Long VarBinary*	Binary	1 to 104,857,600 bytes
Long Varchar*	Text	1 to 104,857,600 characters
Numeric	Decimal	Precision 1 to 28, scale 0 to 28
Real	Double	Precision 15
Smallint	Integer	-2,147,483,648 to 2,147,483,647 Precision 10, scale 0
Time	Date/Time	Jan 1, 0001 A.D. to Dec 31, 9999 A.D. (precision to the nanosecond)
Timestamp	Date/Time	Jan 1, 0001 A.D. to Dec 31, 9999 A.D. (precision to the nanosecond)
Tinyint	Integer	-2,147,483,648 to 2,147,483,647 Precision 10, scale 0
Varchar*	String	1 to 104,857,600 characters
Varbinary*	Binary	1 to 104,857,600 bytes
*If the size of data in a port is greater than 100 MB, the Developer tool sets the port precision to 4000 by default. To process data with a larger size, increase the port precision.

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JDBC and Transformation Datatypes

JDBC and Transformation Datatypes