HeidiSQL produces an exception when a user tries to see data of tables containing invisible columns. Create test table with invisible columns: CREATE TABLE test ( ID CHAR(10), col1 INT NOT NULL, col2 ...

If I create a regular table, I can see its list of columns on HeidiSQL's Table tab, and its data on the Data tab. But, if I create a temporary table, those two tabs are blank. In both cases, I can see ...