how to write a sql query with multiple variables

sir, i want to write a SQLquery in which in the where clause i use two variables on two fields.
i tried the following, but getting error messages.
let
x=1; % Variable1
y=4; % Variable2.
curs=exec(conn,['select all from _tablename_ where field1=',num2str(x),and 'field2=',num2str(y)]);
curs=fetch(curs);
I am getting error message.
please guide me.

1 个评论

@Mechanical Engineering: please give us the complete error message. This means all of the red text.

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回答(0 个)

提问:

2016-8-2

评论:

2016-8-2

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