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This is a school related question. My lab says the following:

1. Add a new Vendor table
a. See table above for fields and data types
b. Use your username as the table definition, i.e., userid.Vendor, instead of Demo
c. Add Primary key ProductNo as a Constraint

Okay, I created the table with the fields and data types. Now when I go to add the primary key with the constraint and I get
ERROR at line 2:
ORA-00904: “VENDOR_NO”: invalid identifier

Can i use the bind variable inside a procedure?
and the query like update emp set empname=:name where empno=:no;

but i work like update emp set empname=&name where empno=&no inside procedures it works properly

Code: ( text )
declare
i number:=0;
begin
while i<3
loop
update dept set empno=&empno where dname=’&deptname’;
i:=i+1;
end loop;
end;

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