# Hierarchy For Package com.dolphindb.jdbc

## Class Hierarchy

- java.lang.Object
  - com.dolphindb.jdbc.Driver (implements java.sql.Driver)
  - com.dolphindb.jdbc.JDBCConnection (implements java.sql.Connection)
  - com.dolphindb.jdbc.JDBCDataBaseMetaData (implements java.sql.DatabaseMetaData)
  - com.dolphindb.jdbc.JDBCParameterMetaData (implements java.sql.ParameterMetaData)
  - com.dolphindb.jdbc.JDBCResultSet (implements java.sql.ResultSet)
  - com.dolphindb.jdbc.JDBCResultSetMetaData (implements java.sql.ResultSetMetaData)
  - com.dolphindb.jdbc.JDBCStatement (implements java.sql.Statement)
    - com.dolphindb.jdbc.JDBCPrepareStatement (implements java.sql.PreparedStatement)
      - com.dolphindb.jdbc.JDBCCallableStatement (implements java.sql.CallableStatement)
  - com.dolphindb.jdbc.Main
  - com.dolphindb.jdbc.TypeCast
  - com.dolphindb.jdbc.Utils