Error in update query involving different databases

Hi everybody,
I get the error "ORA : 00933 SQL Command not properly ended"
when I try to execute the following query, in oracle8i. Also the tables it involves are from different db. I tried to put @server_name after the table name but still it didn't work:
UPDATE ASAP.CAP_NW_CONN_DUMP cncd
     SET MS_INIT = ep1.task_status, HANDSET_DEL = ep3.task_status,
     ACTIVATION = ep.task_status, MS_UPDT = ep2.task_status,
     MS_FNL = ep4.task_status
ep1.task_status, ep3.task_status, ep.task_status, ep2.task_status, ep4.task_status
FROM eposmig.t_intf_order_task_dtls@eposload ep, eposmig.t_intf_order_task_dtls ep1, eposmig.t_intf_order_task_dtls ep2,
     eposmig.t_intf_order_task_dtls ep3, eposmig.t_intf_order_task_dtls ep4,
     eposmig.pos_order_lines@eposload pol
WHERE cncd.ident_text = pol.telephone_no
AND ep.task_type LIKE 'ACT%'
AND ep1.task_TYPE = 'MSOLV-INIT'
AND ep2.task_TYPE = 'MSOLV-UPDATE'
AND ep3.task_type = 'MSOLV-FINAL'
AND ep4.task_type = 'HANDSET-DEL'
AND ep.ORDER_NBR = pol.ORDER_NBR
AND ep1.ORDER_NBR = pol.ORDER_NBR
AND ep2.ORDER_NBR = pol.ORDER_NBR
AND ep3.ORDER_NBR = pol.ORDER_NBR
AND ep4.ORDER_NBR = pol.ORDER_NBR
AND pol.order_line_nbr IN (SELECT MAX(order_line_nbr) FROM eposmig.pos_order_lines
                                        WHERE telephone_no IN (SELECT ident_text FROM asap.cap_nw_conn_dump)
                                        GROUP BY telephone_no)
The table that is being updated, is in same db, but rest of two tables are from different databases i.e eposload

>
UPDATE ASAP.CAP_NW_CONN_DUMP cncd
SET MS_INIT = ep1.task_status, HANDSET_DEL =
EL = ep3.task_status,
ACTIVATION = ep.task_status, MS_UPDT =
DT = ep2.task_status,
     MS_FNL = ep4.task_status
ep1.task_status, ep3.task_status, ep.task_status,
ep2.task_status, ep4.task_status
FROM eposmig.t_intf_order_task_dtls@eposload ep,
eposmig.t_intf_order_task_dtls ep1,
eposmig.t_intf_order_task_dtls ep2,
eposmig.t_intf_order_task_dtls ep3,
3, eposmig.t_intf_order_task_dtls ep4,
     eposmig.pos_order_lines@eposload pol
WHERE cncd.ident_text = pol.telephone_no
AND ep.task_type LIKE 'ACT%'
AND ep1.task_TYPE = 'MSOLV-INIT'
AND ep2.task_TYPE = 'MSOLV-UPDATE'
AND ep3.task_type = 'MSOLV-FINAL'
AND ep4.task_type = 'HANDSET-DEL'
AND ep.ORDER_NBR = pol.ORDER_NBR
AND ep1.ORDER_NBR = pol.ORDER_NBR
AND ep2.ORDER_NBR = pol.ORDER_NBR
AND ep3.ORDER_NBR = pol.ORDER_NBR
AND ep4.ORDER_NBR = pol.ORDER_NBR
AND pol.order_line_nbr IN (SELECT MAX(order_line_nbr)
FROM eposmig.pos_order_lines
WHERE telephone_no IN (SELECT
e_no IN (SELECT ident_text FROM
asap.cap_nw_conn_dump)
                                        GROUP BY telephone_no)
The syntax of your UPDATE statement is incorrect.
Have a look at the "wire-diagram" in the documentation -
http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/statements_10007.htm#SQLRF01708
and compare it with your UPDATE statement.
HTH
isotope

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error :
rror at Command Line:17 Column:105
Error report:
SQL Error: ORA-00904: "RESULT1"."STRIKE_PRICE_CALC": invalid identifier
00904. 00000 - "%s: invalid identifier"
can anybody help.
Thanks

Still one more typo problem exists in you sql stament , equal to(=) operator is missing in your original statement look below
original
Where RO_ID 'R000000002'     group by Note_Master_ID ) TOADD     On TOADD.Note_Master_ID = NORM.Note_Master_ID ) RESULT1 where NM.Note_Master_ID = RESULT1.Note_Master_ID )
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modified
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887268 wrote:
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3 : UPDATE gb_entries
4 : SET
SQL    UPDATE gb_entries SET gb_entry_stts_='form.gb_entry_stts_', gb_entry_nm_f='form.gb_entry_nm_f', gb_entry_nm_l='form.gb_entry_nm_l', gb_entry_nm_l_dspl_x=form.gb_entry_nm_l_dspl_x, gb_entry_tce='form.gb_entry_tce', gb_entry_tce_dspl_x=form.gb_entry_tce_dspl_x, gb_entry_cy='form.gb_entry_cy', gb_entry_stt='form.gb_entry_stt', gb_entry_instr='form.gb_entry_instr', gb_entry_m='form.gb_entry_m', gb_entry_del_x=form.gb_entry_del_x WHERE gb_entryID=form.gb_entryID
DATASOURCE   9130.ww
VENDORERRORCODE   -3010
SQLSTATE   07002
Please try the following:
Check the ColdFusion documentation to verify that you are using the correct syntax.
Search the Knowledge Base to find a solution to your problem.
Browser   Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Remote Address   71.233.234.226
Referrer   http://www.benoitsystems.com/ww/bd/gb/gb_entry_mstr_det_e.cfm?call_number=14
Date/Time   21-Jul-10 03:11 PM
=================================================
I have every NAME of each object matching, verbatum, in the UPDATE query, and every database field name correct in teh query also.

I was encouraged to send snippets in an another submission, and now I believe it is best that I "lay my cards on the table"
Here's my hand:
Pages in question for your review:
http://www.benoitsystems.com/ww/bd/gb/gb_mstr.cfm click on the pencil (the toilet will delete the record.
http://www.benoitsystems.com/ww/bd/gb/gb_entry_mstr_det_e.cfm?call_number=21 go to bottom of webpage and click “Update Your Entry”
http://www.benoitsystems.com/ww/bd/gb/gb_confirm_update.cfm?call_number=#gb_entryID#
In your review of the above (should you choose) before clicking on the pencil, look at the status on the master listing record you will be editing, and feel free to edit. Most statuses will be “Hold”
Two dummy MS Access database tables:
Table 1: "gb_entries" (Guestbook)
field 1: gb_entries_ID (Autonumber - Long Integer)
field 2: gb_entries_dt (date/time)
field 3: gb_entries_nm_f (Text)
field 4: gb_entries_nm_l (Text)
field 5: gb_entries_nm_stts_ (Number field - Byte (not bit)) (fed by gb_sttsID)
couple other text fields
field 6: gb_entries_em (Text)
field 7: gb_entries_cy (Text)
field 8: gb_entries_stt (Text)
field 9: gb_entries_nm_l_dspl (Yes/No or True/False)
field 10: gb_entries_m (Memo type)
Table 2: "gb_stts_rf" (Guestbook Status Reference)
field 1: gb_sttsID (Autonumber - Long Integer)
field 2: gb_stts (Text)
Two Templates:
This is the edit page (where a person with administrative access may edit the status or change the spelling for someone, etc.):
 <CFQUERY NAME="edit_entry" DATASOURCE="9130.ww"> SELECT * FROM gb_entries WHERE #call_number#=gb_entryID </CFQUERY>
 <CFQUERY NAME="q_stts" DATASOURCE="9130.ww"> SELECT * FROM gb_stts_rf </CFQUERY>
<HTML>
<HEAD>
<TITLE>Woodwindology Guestbook Entry Edit Page</TITLE> <CFOUTPUT QUERY="incl_css_bd">#incl_code#</CFOUTPUT>
</HEAD>
<BODY
      BGPROPERTIES="fixed">
<DIV ALIGN="center">
<IMG
      SRC="<CFOUTPUT>#baseurl#</CFOUTPUT>md/img/ut/ttl/pg/guestbook.gif"
      BORDER="0">
<BR>
<IMG
      SRC="<CFOUTPUT>#baseurl#</CFOUTPUT>md/img/ut/ttl/sub/edit_entry.gif"
      BORDER="0">
<BR>
Developer View
</DIV>
<TABLE>
      <TR>
            <TD>
                  <TABLE
                        WIDTH="100%"
                        BORDER="0"
                        CELLPADDING="5"
                        CELLSPACING="0">
      <TR>
            <TD VALIGN="top">
                  <FORM
                        NAME="f_gb_entry_mstr"
                        ACTION="gb_confirm_update.cfm?call_number=#gb_entryID#"
                        METHOD="post">
                  <CFOUTPUT QUERY="edit_entry">
                  <B>Entry ID:</B>
                  #gb_entryID#
                  <INPUT
                        TYPE="hidden"
                        NAME="gb_entryID"
                        VALUE="#gb_entryID#">
                  <P>
                  <B>Entry Date and Time:</B>
                  #DateFormat("#gb_entry_dt#","mmmm d, yyyy")# #TimeFormat("#gb_entry_dt#","h:mm tt")#
<P>
                  <B>Entry Status:</B>
                  <SELECT
                        NAME="gb_entry_stts_"
                        VALUE="#gb_entry_stts_#">
</CFOUTPUT>
                        <CFOUTPUT QUERY="q_stts">
                              <OPTION VALUE="#gb_sttsID#">#gb_stts#</OPTION>
                        </CFOUTPUT>
                  </SELECT>
                  <P>
<CFOUTPUT QUERY="edit_entry">
                  <B>Guest's First Name:</B>
                  <INPUT
                        TYPE="text"
                        NAME="gb_entry_nm_f"
                        VALUE="#gb_entry_nm_f#">
                  <P>
                  <B>Guest's Last Name:</B>
                  <INPUT
                        TYPE="text"
                        NAME="gb_entry_nm_l"
                        VALUE="#gb_entry_nm_l#">
                  <BR>
                  Display Last Name:
                  <INPUT
                        TYPE="radio"
                        NAME="gb_entry_nm_l_dspl_x"
                        VALUE="Yes">
                  Do Not Display Last Name:
                  <INPUT
                        TYPE="radio"
                        NAME="gb_entry_nm_l_dspl_x"
                        VALUE="no">
                        <P>
                        <B>Your Email Address:</B><BR>
                        <INPUT
                              TYPE="text"
                              NAME="gb_entry_tce"
                              VALUE="#gb_entry_tce#"
                              SIZE="40"
                              MAXLENGTH="40">
                  <BR>
                  Uncheck the box to keep email private:
                  <INPUT
                        TYPE="checkbox"
                        NAME="gb_entry_tce_dspl_x"
                        VALUE="#gb_entry_tce_dspl_x#">
                  <P>
                  <SPAN CLASS="emph01">*</SPAN> Your City:
                  <INPUT
                        TYPE="text"
                        NAME="gb_entry_cy"
                        VALUE="#gb_entry_cy#"
                        SIZE="30">
                  <P>
                  <SPAN CLASS="emph01">*</SPAN> Your State:
                  <INPUT
                        TYPE="text"
                        NAME="gb_entry_stt"
                        VALUE="#gb_entry_stt#"
                        SIZE="30">
                  <BR>
                        <B>Instruments Played:</B>
                  <BR>
                        <TEXTAREA
                              COLS="45"
                              MAX="50"

Avoiding concurrency errors when updating a database through AJAX

What are some strategies for avoiding concurrency errors when updating a database through AJAX. That is, in cases where a given user could attempt to modify the same row in the database with simultaneous requests (say, that he updates one column with information with an AJAX call, then immediately submits a form that updates the same row), what are some good ways yo prevent the two updates from colliding? On the JavaScript side one might make the AJAX call synchronous, but I question whether that is the best way to do it. Has anyone else confronted this?

Well, since no one seems to have any ideas so far, I'll throw in my two cents worth.
I'm not too familiar with AJAX so my advice may be limited.
I suggest you do a google search on Optimistic concurrency database to get some ideas on how to handle it.
If your update/insert/delete query is thread safe, then even if the same user double clicks the button fast enough to immediately have another update to the same record, then the first update will complete before the second one is carried out. Therefore no harm is done since he is just updating the same record. Since a typical update/insert/delete takes only a few milliseconds (querying may take a lot more time), its not likely he can click the button that fast. (I assume your using connection pooling for speed).
The trouble comes up when two people call up data from the same record in different browsers. The first one updates/inserts/deletes the record. Now the other user is looking at old data. When he updates/inserts/deletes, there is a problem. One way to handle this is to keep a copy of all the fields from that record in each user's session scope when they first fetch it from the database (example: oldName). Then when you go to update some time later, to this:
sql= update person set name=newValue where personID=3344 and name=oldName
Note oldName is from session scope.
If name in the database has changed, the update will not occur and will return 0 records updated. If it didn't change, it will update.
Note your update function should not throw an exception if it cant update, it should return false. Return true if it worked.
Example: public boolean updateName(String name)
Similiarly, your insert should not throw an exception if the record already exists, it should return false meaning it cant insert.
Exaple: public bolean insertName(String name). Same thing with delete function.
If a record cant be updated due to someone else updating the record while the user was looking at data, return a message that it wasn't updated due to that problem. Then show the user the new value in the database ask him if he wants to overwrite the new change.
Note even if you show 100 records on the JSP, only update the ones that have changed and not all 100. This way, its not likely he has updated the same records someone else has altered. Less likely a colision compared to updating all 100.
If your updating/inserting/deleting more than 1 record (say, 3), then you should look into setting up a transaction in addition to all the above and rolling back all of them if one fails.
Reading the section on databases from http://www.javapractices.com/home/HomeAction.do may also help.

Select query based on joining of tables from different database is taking too long

Hi Team,
Select query on table with millions of records is taking very long time. It took 50mins, the below query is joining on multiple table from two databases DB1.dbo.Table1 contains 100 million records and also Table3 and Table4 (of different database) might
contain close to 1million records.
Select T1.*
From DB1.dbo.Table1 T1
Join DB1.dbo.Table2 T2 on RTRIM(T1.Col3) = RTRIM(T2.Col3)
Join Table4 CA on RTRIM(T1.Col1) + T2.Col2 = CA.Col1
Join Table3 U on CA.Col2 = U.Col2 AND RTRIM(T2.Col2) = U.Col3
Where U.Col4 NOT IN ('A1', 'A2', 'A3', 'A4', 'A5', 'A6','A7','A8','A9')
And (T1.flg IS NULL OR T1.flg = 'N')
And LTRIM(RTRIM(T2.Col2)) NOT IN ('B1','B2')
How can i improve the performance of this query. Actual thing is update the data in Db1.dbo.table1 based on the conditions but if the select is taking close to 1hr then update will take hours together. Indexes already implemented on all the tables.
Thanks,
Eshwar.
Please don't forget to Marked as Answer if my post solved your problem and use Vote As Helpful if a post was useful. It will helpful to other users.

Thanks.
Join Table4 CA on RTRIM(T1.Col1) + T2.Col2 = CA.Col1
This join is not working with spaces if Rtrim is not used.
Thanks! Eshwar.
Please don't forget to Marked as Answer if my post solved your problem and use Vote As Helpful if a post was useful. It will helpful to other users.

Error in update query involving different databases

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