I have 2 databases which has same table names and I need to list entries of a particular table in database1 not existing in the same tablename of database2.
eg : I have db1 having table name orders
Code:
ad_d | code | start | end | amountscore | id | amount_class |
+--------+--------+----------+----------+----------+--------------+--------------+
| 1 | ww | 935002 | 935100 | 245 | Ath | boeing |
| 1 | e | 4406486 | 4406628 | 575 | Lth | boeing |
| 1 | r | 30313484 | 30313585 | 348 | SSU | boeing |
| 18 | f | 44787276 | 44787468 | 1338 | SSU | boeing |
| 1 | g | 44787462 | 44787856 | 2775 | Ath | target |
| 1 | m | 44787855 | 44787944 | 747 | Ath | boeing |
| 1 | n | 53636773 | 53636856 | 549 | SSU | target |
| 1 | m | 53888147 | 53888282 | 695 | SSU | genev |
| 1 | q | 53888312 | 53888394 | 399 | Ath | boeing |
| 1 | c | 53888396 | 53888428 | 251 | Ath | geneva |
| 1 | f | 53888461 | 53888589 | 583 | gth | geneva
I only want to list those entries from table name orders in database 1 not present in same table name (orders) in database 2 .
The only condition is I only want to list those entries whose amount_class ='boeing'
Therefore I am interested in those entries having amount_class = "boeing" in table amount_class of DB1 not present in same table name in DB2
I tried
Code:
select *
from (
select *
from DB1.orders
except
select *
from DB2.orders
) as amountclass
Where amount_class ='Boeing';
Am I missing something?
Moderator's Comments:
Please use CODE tags for sample input and output as well as for sample code.
Last edited by Don Cragun; 06-23-2014 at 01:39 AM..
Reason: Add CODE tags.
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LEARN ABOUT OSF1
devswmgr
devswmgr(8) System Manager's Manual devswmgr(8)NAME
devswmgr - utility to manage the device switch database
SYNOPSIS
/sbin/devswmgr [-option [parameter]]
OPTIONS
Displays the following information about the device switch database:
Whether a device switch database was read from the primary file or from a backup file
The number of entries that are in the device switch table Displays the major numbers that have been reserved by all drivers, a named
driver, or an instance of a named driver.
A driver that requires more than one entry in the device switch table uses a unique instance number to reference each of its device
switch table entries. Displays help for the devswmgr command. Releases all the major numbers for a device driver if just the
driver name is specified. Releases one major number for a device driver if the NAME and the INSTANCENUM of the driver are speci-
fied.
DESCRIPTION
The devswmgr command helps you manage the device switch table by displaying information about the devices drivers in the table.
You can also use the command to release device switch table entries. Typically, you release the entries for a driver after you have
unloaded the driver and do not plan to reload it later. Releasing the entries frees them for use by other device drivers.
EXAMPLES
The following example shows that a device switch table was loaded from the primary device and that there are 70 entries in it: %
/sbin/devswmgr -display Device switch information
device switch database read from primary file
device switch table has 70 entries The following example shows the major numbers in the device switch table that have been reserved for
the driver named cam_disk: % /sbin/devswmgr -getnum driver=cam_disk
Device switch reservation list
(*=entry in use)
driver name instance major
--------------------------------------------
cam_disk 1 8*
FILES
The file that manages the device switch databases The primary device switch database file The backup device switch database file
SEE ALSO
Commands: scsimgr(8)devswmgr(8)
06-20-2014
