why did this date work:

insert into log_book values ('08-12-1973','C150','N5787G',1,1.8);

date looks good in table...has been rearranged to std format

and this didn't

insert into salesreps values (109,'Mary Jones',31,11,'Sales Rep','10-12-1989',106,300000.00,392725.00);

date is 0000-00-00 in table

create table log_book (fdate date, actype varchar2(16), acid varchar(16), nlandings number, nhours number);

create table salesreps
(empl_num int(8) not null,
 name varchar(15) not null,
 age int(8),
 rep_office int(8),
 title varchar(10),
 hire_date date not null,
 manager int(8),
 quota float(10,2),
 sales float(10,2) not null,
 primary key (empl_num ));

must be the not null!!!

mysql> desc log_book;
+-----------+-------------+------+-----+---------+-------+
| Field     | Type        | Null | Key | Default | Extra |
+-----------+-------------+------+-----+---------+-------+
| fdate     | date        | YES  |     | NULL    |       |
| actype    | varchar(16) | YES  |     | NULL    |       |
| acid      | varchar(16) | YES  |     | NULL    |       |
| nlandings | int(11)     | YES  |     | NULL    |       |
| nhours    | double(8,2) | YES  |     | NULL    |       |
+-----------+-------------+------+-----+---------+-------+
5 rows in set (0.00 sec)

mysql> desc salesreps;
+------------+-------------+------+-----+------------+-------+
| Field      | Type        | Null | Key | Default    | Extra |
+------------+-------------+------+-----+------------+-------+
| empl_num   | int(8)      |      | PRI | 0          |       |
| name       | varchar(15) |      |     |            |       |
| age        | int(8)      | YES  |     | NULL       |       |
| rep_office | int(8)      | YES  |     | NULL       |       |
| title      | varchar(10) | YES  |     | NULL       |       |
| hire_date  | date        |      |     | 0000-00-00 |       |
| manager    | int(8)      | YES  |     | NULL       |       |
| quota      | float(10,2) | YES  |     | NULL       |       |
| sales      | float(10,2) |      |     | 0.00       |       |
+------------+-------------+------+-----+------------+-------+
9 rows in set (0.00 sec)

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