QUEL Reference Guide > QUEL Reference Guide > Keywords > Abbreviations Used in Keyword Lists
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Abbreviations Used in Keyword Lists
Column headings in the tables in this appendix use the following abbreviations:
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
Note:  The ESQL and EQUEL preprocessors also reserve forms statements. For details about forms statements, see the Forms-based Application Development Tools User Guide.
Last modified date: 06/10/2024