This one worked. Thank you.

On Wed, 2 Apr 2003, Michael Shulman wrote:

> John,
> 
> Looks like I'm first with the wrong answer again.
> 
> This time for sure.
> 
> How about:
>    AND os.os_id & 8 = 8
> 
> Where 8 is the value that you're looking for.
> 
> -ms
> 
> 
> 
> 
> -----Original Message-----
> From: Michael Shulman [mailto:[EMAIL PROTECTED] 
> Sent: Wednesday, April 02, 2003 11:38 AM
> To: 'John Hoskins'
> Cc: '[EMAIL PROTECTED]'
> Subject: RE: select help
> 
> No problem. Use mod(m,n). To get the records where the "8" bit is set, use 
>    and mod(os.os_id,8) = 0;
> 
> mysql> use test
> Database changed
> mysql> create table t (i integer);
> Query OK, 0 rows affected (0.18 sec)
> 
> mysql> insert into t values (1);
> Query OK, 1 row affected (0.10 sec)
> 
> mysql> insert into t values (2);
> Query OK, 1 row affected (0.00 sec)
> 
> <rows omitted for brevity, values 3..7 inserted>
> 
> mysql> insert into t values (8);
> Query OK, 1 row affected (0.00 sec)
> 
> mysql> select * from t where mod(i,2) = 0;
> +------+
> | i    |
> +------+
> |    2 |
> |    4 |
> |    6 |
> |    8 |
> +------+
> 4 rows in set (0.00 sec)
> 
> mysql> select * from t where mod(i,4) = 0;
> +------+
> | i    |
> +------+
> |    4 |
> |    8 |
> +------+
> 2 rows in set (0.00 sec)
> 
> -----Original Message-----
> From: John Hoskins [mailto:[EMAIL PROTECTED] 
> Sent: Wednesday, April 02, 2003 11:34 AM
> To: Michael Shulman
> Cc: [EMAIL PROTECTED]
> Subject: RE: select help
> 
> Not quite that simple, Plese read the last of the original post. I need 
> all solutions that have the 4th bit on, so 8,15,24,31...255 all have the 
> 4th bit in combination with other bits.
> 
> On Wed, 2 Apr 2003, Michael Shulman wrote:
> 
> > mysql> select solution
> >     -> from os_table os, solutions_table solutions
> >     -> where os.os_id = solutions.os_code
> >     -> and os.os_id = 8;
> > 
> > -ms
> > 
> > 
> > -----Original Message-----
> > From: John Hoskins [mailto:[EMAIL PROTECTED] 
> > Sent: Wednesday, April 02, 2003 10:41 AM
> > To: [EMAIL PROTECTED]
> > Subject: select help
> > 
> > 
> > Please consider the following two tables:
> > 
> > mysql> select * from os_table;
> > +-------+----------+
> > | os_id | os_name  |
> > +-------+----------+
> > |     1 | mac os   |
> > |     2 | win 95   |
> > |     4 | win 98   |
> > |     8 | win nt   |
> > |    16 | win 2000 |
> > |    32 | win me   |
> > |    64 | xp home  |
> > |   128 | xp pro   |
> > +-------+----------+
> > 
> > mysql> select * from solution_table;
> > +---------+---------------------+
> > | os_code | solution            |
> > +---------+---------------------+
> > |       1 | mac fix             |
> > |      24 | nt and 2000 dun fix |
> > |     255 | no-pay contact CSRs |
> > +---------+---------------------+
> > 
> > 
> > What I'd like to do is select all solutions that 
> > applys to  NT, os_id.os_table=8
> > 
> > so it should return solution 24 and 255. Since these two solutions have
> > the NT os bit turned on.
> > 
> > Thank You
> > John H.
> > 
> > 
> > 
> > 
> 
> 
> 
> 


-- 
MySQL General Mailing List
For list archives: http://lists.mysql.com/mysql
To unsubscribe:    http://lists.mysql.com/[EMAIL PROTECTED]

Reply via email to