# java.sql.DatabaseMetaData interface: JDBC 4.2 features

Derby implements all of the new metadata methods added by JDBC 4.2.

The Derby implementation of the getMaxLogicalLOBSize method returns zero (0). For details on the meaningful limits on Derby's BLOB and CLOB datatypes, see BLOB data type and CLOB data type.

Parent topic: JDBC 4.2-only features
Related reference
JDBC support for Java SE 8 Compact Profiles
java.sql.SQLType interface