ISQL DESCRIBE TABLE

Dear experts,

I want to show the script of creation of a specficic table in SAP ERP6 EHP7 on ASE 15.7. i proceded as below :

1> describe table SAPSR3.ZPAB_ECHANGE

2> go

Msg 156, Level 15, State 2:

Server 'DEV', Line 1:

Incorrect syntax near the keyword 'table'.

I cannot find any documentation which explain how to get creation table script with isql command.

Any help, please ?

Thnaks in advance..