Data dictionary IBM® Netezza® related data dictionary topics. SQL types mapping: IBM NetezzaBOOLEAN data typeCHAR and VARCHAR data typesNumeric data typesDATE and DATETIME data typesINTERVAL data typeSERIAL and BIGSERIAL data typesROWID columnsIndexesTEXT and BYTE (LOB) typesSQL table definitionName resolution of SQL objects