Issues with Sequence Generator

I'm having trouble with Sequence generator not generating continuous numbers starting from 1, each time I run the mapping.
I want the Sequence to start from 1, each time the mapping is run. For this to happen, I'm using a pre-mapping operator which uses an oracle procedure to reset the sequence.
But, the sequence generates the numbers from some weird number, say 3508 and then jumps to 5006 and so on. I'm not able to track what's wrong with the sequence. I have stopped the caching in Sequence but still it hasn't helped. I'm sure and have verified that the procedure being used to reset the sequence is running fine.
Please suggest some additional parameters/properties at OWB level to be checked for the sequence, if any OR any thoughts on why the sequence is not starting from 1. Thanks in advance.
Thanks,
Sachin
Edited by: 850549 on Apr 23, 2011 11:43 AM
Edited by: 850549 on Apr 23, 2011 11:44 AM

Could you check whether the sequence you use has a cache value greater than 1 defined in the database. This way if your database regularly should be stoped, e.g for offline backup, you'll loose the sequence values that were unused in memory at that time. That way the gaps in your surrogate ids would be explainable.

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JBoss Clustering | Issue with sequence generator

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I am facing a strange issue. I have 2 instances of jboss on the same machine and we have a number of stateless session beans used in our application. Now, I have written a Stateless session bean for sequence generator. I am able to run it on one instance but it is failing on another instance (even if I am only this running this one instance).
It gives the following error:
com.proximities.common.utils.SequenceIdGeneratorUtil: Method: getSequence(): Message: TableKey : VENUE
2005-08-02 11:19:58,406 DEBUG [com.proximities] Class: utils.SequenceIdGeneratorUtil: Method: getSequence(): Message: Fetching from sequence proxy factory: VENUE
2005-08-02 11:19:58,406 DEBUG [com.proximities] Class: ejb.EJBLookupUtil: Method: getInitialContext: Message: Using JNDI initial context: org.jnp.interfaces.NamingContextFactory
2005-08-02 11:19:58,406 DEBUG [com.proximities] Class: ejb.EJBLookupUtil: Method: getInitialContext: Message: Using JNDI URL: jnp://localhost:11099
2005-08-02 11:19:58,406 DEBUG [com.proximities] Class: ejb.EJBLookupUtil: Method: getInitialContext: Message: Using JNDI initial context prefix: org.jboss.naming:org.jnp.interfaces
2005-08-02 11:19:58,421 DEBUG [com.proximities] Class: ejb.EJBLookupUtil: Method: getSequenceFacade: Message: SequenceStoreFacadeHome - Sequence store facade home returned from ejbHomeFactory isnull
2005-08-02 11:19:58,421 FATAL [com.proximities] Class: ejb.EJBLookupUtil: Method: getSequenceFacade: Message: Exception during the invoking the remote interface
2005-08-02 11:19:58,421 INFO [STDOUT] java.lang.NullPointerException
2005-08-02 11:19:58,421 INFO [STDOUT] ejb.EJBLookupUtil.getSequenceFacade(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] sequence.SequenceProxyFactory.getSequenceStore(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] sequence.SequenceProxyFactory.reserveBlock(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] sequence.SequenceProxyFactory.<init>(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] sequence.SequenceProxyFactory.getSequence(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] at common.utils.SequenceIdGeneratorUtil.getSequence(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] at dataaccess.VenueDAO.add(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] at dataaccess.VenueDAO.update(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] at dataaccess.common.GenericDataAccessManager.executeModify(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] at business.mediator.ManageVenueMediator.insertIntoVenues(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] at business.sessionfacade.VenueManagementFacadeEJBean.insertIntoVenues(Unknown Source)
2005-08-02 11:19:58,421 INFO [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2005-08-02 11:19:58,421 INFO [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
2005-08-02 11:19:58,421 INFO [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
2005-08-02 11:19:58,421 INFO [STDOUT] at java.lang.reflect.Method.invoke(Method.java:585)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.invocation.Invocation.performCall(Invocation.java:345)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:214)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:185)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:130)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.webservice.server.ServiceEndpointInterceptor.invoke(ServiceEndpointInterceptor.java:51)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:48)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:105)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:335)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:166)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:139)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:192)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.CleanShutdownInterceptor.invoke(CleanShutdownInterceptor.java:264)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:122)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:624)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.ejb.Container.invoke(Container.java:873)
2005-08-02 11:19:58,421 INFO [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
2005-08-02 11:19:58,421 INFO [STDOUT] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
2005-08-02 11:19:58,421 INFO [STDOUT] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
2005-08-02 11:19:58,421 INFO [STDOUT] at java.lang.reflect.Method.invoke(Method.java:585)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:141)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.mx.server.Invocation.dispatch(Invocation.java:80)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.mx.server.Invocation.invoke(Invocation.java:72)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:249)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:644)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.invocation.local.LocalInvoker$MBeanServerAction.invoke(LocalInvoker.java:155)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:104)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:179)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:165)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.proxy.TransactionInterceptor.invoke(TransactionInterceptor.java:46)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:55)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.proxy.ejb.StatelessSessionInterceptor.invoke(StatelessSessionInterceptor.java:97)
2005-08-02 11:19:58,421 INFO [STDOUT] at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:86)
2005-08-02 11:19:58,421 INFO [STDOUT] at $Proxy92.insertIntoVenues(Unknown Source)
Now within the server logs, I can see that it has loaded and cached the home interface of that bean, but dont know why its not picking it up.
Here are the logs for the same:
[org.jboss.ejb.EjbModule] startService, starting container: SequenceStoreFacade
[org.jboss.system.ServiceController] starting service jboss.j2ee:jndiName=ejb.SequenceStoreFacadeHome,service=EJB
[org.jboss.ejb.StatelessSessionContainer] Starting jboss.j2ee:jndiName=ejb.SequenceStoreFacadeHome,service=EJB
[org.jboss.ejb.StatelessSessionContainer] Begin java:comp/env for EJB: SequenceStoreFacade
[org.jboss.ejb.StatelessSessionContainer] TCL: org.jboss.util.loading.DelegatingClassLoader@188d92e
[org.jboss.ejb.StatelessSessionContainer] Bound java:comp/ORB for EJB: SequenceStoreFacade
[org.jboss.ejb.StatelessSessionContainer] Bound java:comp:/HandleDelegate for EJB: SequenceStoreFacade
[org.jboss.ejb.StatelessSessionContainer] End java:comp/env for EJB: SequenceStoreFacade
[org.jboss.ejb.plugins.local.BaseLocalProxyFactory] SequenceStoreFacade cannot be Bound, doesn't have local and local home interfaces
[org.jboss.proxy.ejb.ProxyFactory] (re-)Binding Home ejb.SequenceStoreFacadeHome
[org.jboss.proxy.ejb.ProxyFactory] Bound SequenceStoreFacade to ejb.SequenceStoreFacadeHome
[org.jboss.system.ServiceController] starting service jboss.j2ee:service=EJB,plugin=pool,jndiName=ejb.SequenceStoreFacadeHome
[org.jboss.ejb.plugins.StatelessSessionInstancePool] Starting jboss.j2ee:service=EJB,plugin=pool,jndiName=ejb.SequenceStoreFacadeHome
[org.jboss.ejb.plugins.StatelessSessionInstancePool] Started jboss.j2ee:service=EJB,plugin=pool,jndiName=ejb.SequenceStoreFacadeHome
[org.jboss.system.ServiceController] Starting dependent components for: jboss.j2ee:service=EJB,plugin=pool,jndiName=ejb.SequenceStoreFacadeHome dependent components: []
[org.jboss.resource.connectionmanager.CachedConnectionInterceptor] start called in CachedConnectionInterceptor
[org.jboss.ejb.StatelessSessionContainer] Started jboss.j2ee:jndiName=ejb.SequenceStoreFacadeHome,service=EJB
[org.jboss.system.ServiceController] Starting dependent components for: jboss.j2ee:jndiName=ejb.SequenceStoreFacadeHome,service=EJB dependent components: []
BTW, I am using JCS for caching and JBoss 4.0. Any pointers will be most appreciated?
Thanks,
Vikrant Verma

You'll get a lot more help with this by posting this to the JBoss forums. This forum is about the J2EE SDK which uses the Sun Java System Application Server.
-Ian Evans

Issue with sequence.currval in INSERT ALL...

Hi Gurus,
I am having an issue with using sequence.currval in INSERT ALL with WHEN clause.Please check following example
Let say I have 4 tables
1) SOURCE_PARENT
PARENT_ID
========
10
20
2) SOURCE_CHILD
PARENT_ID CHILD_ID
========= ========
10     1
10     2
20     1
20     2
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=====================================================
INSERT ALL
WHEN (prev_parent_id = 0)THEN
INTO dest_parent
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when 1 = 1 then
INTO dest_child
values(test_s.currval,child_id)
select
p.parent_id
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from
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========================================================
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PARENT_ID
=========
75
77
2)DEST_CHILD
PARENT_ID CHILD_ID
========= =======
75     1
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77     1
78     2 --this should be same as above record
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Can you please check what's wrong in this INSERT ALL statement?
(or)
Any otherway of doing these INSERTS in a single SQL statement?
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Thanks
srinivas.L

Sorry, but this solution does not work. I had to remove the constraints on the two tables dest_parent and dest_child just to show you, how bad your solution is
SQL> select * from source_parent;
PARENT_ID
        10
        20
2 rows selected.
SQL> select * from source_child;
PARENT_ID   CHILD_ID
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14 /
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PARENT_ID
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        26
2 rows selected.
SQL> select * from dest_child;
PARENT_ID   CHILD_ID
        21          2   -- ??? !!!
        23          1
        23          2
        24          3   -- !!!
        26          1
5 rows selected.
SQL>

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http://feedback.photoshop.com/photoshop_family/topics/lr5_3_export_sequence_numbering_issu e

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Sequence after inserting a row into table:
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CREATE TABLE "DEV"."SYSTEM_USER_TB" ("RID" NUMBER(10,0),"USER_NAME" VARCHAR2(256 CHAR),"APPLICATION_RID" NUMBER(10,0),"FIRST_NAME" VARCHAR2(256 CHAR),"LAST_NAME" VARCHAR2(256 CHAR),"PW" VARCHAR2(128 CHAR),"PW_FORMAT" NUMBER,"PW_SALT" VARCHAR2(128 CHAR),"LAST_ACTIVITY_DT" DATE,"EXPIRATION_DT" DATE,"EMAIL" VARCHAR2(256 CHAR),"PW_QUESTION" VARCHAR2(256 CHAR),"PW_ANSWER" VARCHAR2(256 CHAR),"APPROVED_FLG" NUMBER(1,0),"LOCKED_OUT_FLG" NUMBER(1,0),"LAST_LOGIN_DT" DATE,"LAST_PW_CHANGED_DT" DATE,"LAST_LOCKOUT_DT" DATE,"FAILED_PW_ATTEMPT_CNT" NUMBER(6,0),"FAILED_PW_ATTEMPT_WINSTART" DATE,"FAILED_PW_ANSW_ATTEMPT_CNT" NUMBER(8,0),"FAILED_PW_ANSW_ATTEMPT_WINSTRT" DATE,"CREATED_BY_RID" NUMBER(10,0),"CREATED_DT" DATE,"MODIFIED_BY_RID" NUMBER(10,0),"MODIFIED_DT" DATE) TABLESPACE "USERS" PCTFREE 10 INITRANS 1 MAXTRANS 255 STORAGE ( INITIAL 131072 MAXEXTENTS 2147483645 MINEXTENTS 1 )
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INSERT
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Connected.
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ERROR at line 2:
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CREATE UNIQUE INDEX "DEV"."XPKSTAFF" ON "DEV"."SYSTEM_USER_TB" ("RID" ) TABLESPACE "USERS"
ALTER TABLE "DEV"."SYSTEM_USER_TB" ADD ( CONSTRAINT "SYS_C0033033" PRIMARY KEY ("RID") USING INDEX "DEV"."XPKSTAFF" ENABLE VALIDATE )
ALTER TABLE "DEV"."SYSTEM_USER_TB" ADD ( CONSTRAINT "SYS_C0033032" CHECK ("RID" IS NOT NULL) ENABLE VALIDATE )
CREATE TRIGGER "DEV"."SYSTEM_USER_TRG1"
BEFORE
INSERT
ON "DEV"."SYSTEM_USER_TB"
FOR EACH ROW
begin
select SYSTEM_USER_SEQ.nextval into :new.RID from dual;
end;
So, does anyone know if this is a bug? Could I be missing an option to add in the slashes to the generated code? Is there an option to not require the slashes? Could there be another way to execute these scripts?
Seriously, I think I'm having deja vu from the last release of the Dev Tools: Generate Create Script creates scripts that won't run: ORA-00922: missing..
...except this time the documentation says I should be able to use the "Run" and "Run On" commands in the Oracle Database Project (see page 8): http://www.oracle.com/technology/tech/dotnet/pdf/ODT11_whatsnew.pdf
null

There are 2 issues in the generated script :
1. Missing semicolons at the end of the create stmts
2. Missing slashes
Both of these fixes will be available in the ODT 11.1 release.

Can a sequence generate negative numbers?

Hi
Thank you for reading my post
i think my sequence generate negative numbers , is it possible ?or somewhere in my application is incorrect ?
CREATE SEQUENCE "HR"."GLOB_SEQ" MINVALUE 1 MAXVALUE 999999999999999999999999999 INCREMENT BY 1 START WITH 5 NOCACHE ORDER NOCYCLE ;is there anything that i made wrong which caused the negative numbers in my edit box ?
type of my category_ID is number.
Thanks

Generally speaking yes you can generate negative numbers:
SQL> create sequence seq1 increment by -1;
Sequence created.
SQL> select seq1.nextval from dual;
NEXTVAL
-1
SQL> /
NEXTVAL
-2
But if you have defined minvalue as 1 it is impossible because:
SQL> create sequence seq1 increment by -1 minvalue 1 maxvalue 1000000 start with 1;
Sequence created.
SQL> select seq1.nextval from dual;
NEXTVAL
1
SQL> /
select seq1.nextval from dual
ERROR at line 1:
ORA-08004: sequence SEQ1.NEXTVAL goes below MINVALUE and cannot be instantiated
SQL>
So most probably someone simply inserted a row with negative values knowing that they'll never be in conflict with sequence generated values, or your code is buggy :)
Generally for surrogate keys (assuming this is your case) you don't care what values they have.
Gints Plivna
http://www.gplivna.eu

Issue with getting sequance number from db in EO for a primary key column

Hello Experts,
we are working on ADf 11.1.1.2.
we are facing issue with sequence number in our UAT instance.
dev instance and sit instances did not gave any issues.
We have one EO in that for one attribute we have given the value as
new oracle.jbo.server.SequenceImpl("XXOZF_QA_CODE_S", object.getDBTransaction())).getSequenceNumber()
in order to get the primary key column value from db sequance .
<TransientExpression><![CDATA[(
new oracle.jbo.server.SequenceImpl("XXOZF_QA_CODE_S", object.getDBTransaction())).getSequenceNumber()
]]></TransientExpression>
now the issue is "I have incremented the sequence number through SQL plus from 10 to 20. And created a record on a VO which is based on above EO.
But the sequence iam getting is 11 instead of 21."
This is happening only in our uat instance all other instances are working fine.
Can any one tell us how this frame work is still pointing tho the old sequnce number.
regards
Gayaz

Also make sure that your sequence has NOCYCLE option.
some thing like this:
CREATE SEQUENCE test_seq
START WITH 1
INCREMENT BY 1
NOCACHE
NOCYCLE;

We are having issues with WLS 5.1   pdf   SSL

We are running IE 5.0 and above browser with our application and the server is Weblogic 5.1 We are having issues with a generated pdf being sent down from the server using the response outputStream in an SSL connection. We tried setting the content type before getting the outputstream. IE comes back with a dialog for download. When we select either of the options IE comes back with "Unable to download <url> from <server>. We are using WLS 5.1 service pack 6. Any help will be greatly appreciated


          I tried this option, but did not help. We have two weblogic servers on different
          machines. One works fine in downloading pdf file over https, but not the other.
          The error we are getting after selecting it to save it to a file:
          IE cannot download xx.pdf from www.xxx.com
          From the link, when we say "save target as", we get different error as:
          This file could not be written to cache.
          Someone suggested to pass "pragma: public" or "pragama: no-cache" in the header.
          But we are just simply serving it as a file, neither from servlet nor from jsp.
          So I suspect it something to do with our weblogic proxy or security configuration.
          Any ideas/help is much appreciated.
          Thanks
          Jayashree Raghavan <[email protected]> wrote:
          >If you ever have a similar problem it might help to check in browser
          >settings.
          >In IE goto tools/internet options/
          >Goto advanced Tab
          >go down to Security.
          >Uncheck the "donot save encrypted pages to disk".
          >This will make downloading a pdf work in ssl.
          >
          >
          >Jayashree Raghavan wrote:
          >
          >> We resolved this problem thanks to Maxim, by commenting out the code
          >that sends to the browser not to cache these pdf files. response.setHeader("Pragma",
          >"no-cache");
          >

Problem with sequences after import

We recently imported some table data from QA to DEV and now the DEV database has issues with sequences errors. How can I resolve the problem with sequences since we have constraint violation errors as a result of the table sequences being out of sync after the import of several schema tables.

We run a script like the following to get the sequences as close as possible after importing from PROD to DEV:
set serveroutput on;
DECLARE
     CURSOR CUR IS
          SELECT      otherdb_seq.sequence_owner AS owner,
                    otherdb_seq.sequence_name AS seq_nm,
                    TO_CHAR(otherdb_seq.last_number) AS start_nr
          FROM           dba_sequences currdb_seq,
                    dba_sequences@prod otherdb_seq
     WHERE      currdb_seq.sequence_owner IN ('~schemaname~') AND
                    currdb_seq.sequence_owner = otherdb_seq.sequence_owner AND
               currdb_seq.SEQUENCE_NAME = otherdb_seq.sequence_name
          ORDER BY      1, 2;
     sql_string VARCHAR2(500);
BEGIN
     FOR REC IN CUR
     LOOP
     sql_string := 'DROP SEQUENCE '||REC.owner||'.'||REC.seq_nm;
          DBMS_OUTPUT.PUT_LINE(sql_string||';');
          EXECUTE IMMEDIATE sql_string;
          sql_string := 'CREATE SEQUENCE '||REC.owner||'.'||REC.seq_nm;
          sql_string := sql_string ||' START WITH '||REC.start_nr;
          sql_string := sql_string ||' MAXVALUE 999999999999999999999999999';
          sql_string := sql_string ||' MINVALUE '||REC.start_nr;
          sql_string := sql_string ||' NOCYCLE NOCACHE ORDER';
          DBMS_OUTPUT.PUT_LINE(sql_string||';');
          EXECUTE IMMEDIATE sql_string;
          sql_string := 'DROP PUBLIC SYNONYM '||REC.seq_nm;
          DBMS_OUTPUT.PUT_LINE(sql_string||';');
          EXECUTE IMMEDIATE sql_string;
          sql_string := 'CREATE PUBLIC SYNONYM '||REC.seq_nm||' FOR '||REC.owner||'.'||REC.seq_nm;
          DBMS_OUTPUT.PUT_LINE(sql_string||';');
          EXECUTE IMMEDIATE sql_string;
          sql_string := 'GRANT SELECT ON '||REC.owner||'.'||REC.seq_nm||' TO PUBLIC';
          DBMS_OUTPUT.PUT_LINE(sql_string||';');
          EXECUTE IMMEDIATE sql_string;
     END LOOP;
END;

Issues with Sequence Generator

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