ISQL supports an on-line help facility that can be invoked by using the HELP statement. Typing HELP at the ISQL prompt will display a help file which will list the options accepted by the HELP statement. The various forms of the HELP statement are listed below:
TABLE is an ISQL statement that displays all the tables present in the database including any system tables. TABLE can be used also to display the description of a single table by explicitly giving the table name. Both forms of the TABLE statement are shown below:
TABLE;
TABLE table_name;