>yes I logged in as an administrator.
>I only have one database.
>
>thanks for the help.
>
>-------------------------
>
>Did you check the error? Is the logged in user an administrator? Use mydatabase may be a problem if the login string already assigns a database.
>>I have tried:
>>
>>
>>mcode1="use mydatabase;alter table customer ADD email_add VARCHAR(45);"
>>store sqlexec(thisform.zConnHandle,mcode1,'resultcur') to result1
>>
>>
>>unfortunately it doesn't work.

The support for multicommands is not default choice on MySQL server.

mcode1="use mydatabase" 
store sqlexec(thisform.zConnHandle,mcode1,'resultcur') to result1

mcode1="alter table customer ADD email_add VARCHAR(45)" 
store sqlexec(thisform.zConnHandle,mcode1,'resultcur') to result1

MartinaJ