Need to clarify the meaning of the Precision Column returned by the following methods
DatabaseMetaData.getTypeInfo
DatabaseMetaData.getProcedureColumns
DatabaseMetaData.getColumns
DatabaseMetaData.getBestRowIdentifier
DatabaseMetaData.getVersionColumns
ParameterMetaData.getPrecision
ResultSetMetaData.getPrecision
DatabaseMetaData.getTypeInfo
DatabaseMetaData.getProcedureColumns
DatabaseMetaData.getColumns
DatabaseMetaData.getBestRowIdentifier
DatabaseMetaData.getVersionColumns
ParameterMetaData.getPrecision
ResultSetMetaData.getPrecision