Operand type clash: int is incompatible with date + The INSERT statement conflicted with the FOREIGN KEY constraint

Question

create table pilot (
emp_num int,
pl_license varchar (3),
pl_ratings varchar (30),
pl_med_type int,
pl_med_date date,
pl_pt135_date date,
constraint PK_pilot primary         


        

Answer 1

I had the same problem. I tried 'yyyy-mm-dd' format i.e. '2013-26-11' and got rid of this problem...

Answer 2

This expression 12-4-2005 is a calculated int and the value is -1997. You should do like this instead '2005-04-12' with the ' before and after.

Answer 3

Try wrapping your dates in single quotes, like this:

'15-6-2005'

It should be able to parse the date this way.

Answer 4

FYI this turned out to be an issue for me where I had two tables in a statement like the following:

SELECT * FROM table1
UNION ALL
SELECT * FROM table2

It worked, but then somewhere along the line the order of columns in one of the table definitions got changed. Changing the * to SELECT column1, column2 fixed the issue. No idea how that happened, but lesson learned!