Table Key
In the tables in this appendix, the column headings have the following meanings:
Non 6.4
Keywords not included in Ingres 6.4 keyword reserved lists
ISQL (Interactive SQL)
Keywords reserved by the DBMS
ESQL (Embedded SQL)
Keywords reserved by the SQL preprocessors
IQUEL (Interactive QUEL)
Keywords reserved by the DBMS
EQUEL (Embedded QUEL)
Keywords reserved by the QUEL preprocessors
4GL
Keywords reserved in the context of SQL or QUEL in Ingres 4GL routines