B.4. IBM DB2
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## B.4. IBM DB2

Example B.4. Example properties for IBM DB2

    javax.jdo.option.ConnectionDriverName: com.ibm.db2.jcc.DB2Driver
    javax.jdo.option.ConnectionURL: jdbc:db2://SERVER_NAME:SERVER_PORT/DB_NAME

### B.4.1. Known issues with DB2

- Floats and doubles may lose precision when stored.

- Empty char values are stored as NULL.

- Fields of type BLOB and CLOB are limited to 1M. This number can be increased by extending `DB2Dictionary`.

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