DB2 jdbc code

Hi
i am writing code to get data from DB2 database using jdbc.
do i need to include ; at the end to pass it to the database?
String query =
                    " DELETE FROM "
                         + BMSDatabaseInfo.SCHEMA
                         + "."
                         + CrossHoldingMovementTable.TABLE02_NAME
                         + " WHERE "
                         + MovementTable.SEQ_NO
                         + " IN (SELECT "
                         + MovementTable.SEQ_NO
                         + " FROM "
                         + BMSDatabaseInfo.SCHEMA
                         + "."
                         + CrossHoldingMovementTable.TABLE01_NAME
                         + " WHERE "
                         + MovementTable.BUSINESS_CLSS
                         + " = ? AND "
                         + MovementTable.EFFECTIVE_DATE
                         + " >= ? AND "
                         + MovementTable.TYPE
                         + " = '"
                         + BCM_MOVEMENT_TYPE
                         + "');";
OR
String query =
                    " DELETE FROM "
                         + BMSDatabaseInfo.SCHEMA
                         + "."
                         + CrossHoldingMovementTable.TABLE02_NAME
                         + " WHERE "
                         + MovementTable.SEQ_NO
                         + " IN (SELECT "
                         + MovementTable.SEQ_NO
                         + " FROM "
                         + BMSDatabaseInfo.SCHEMA
                         + "."
                         + CrossHoldingMovementTable.TABLE01_NAME
                         + " WHERE "
                         + MovementTable.BUSINESS_CLSS
                         + " = ? AND "
                         + MovementTable.EFFECTIVE_DATE
                         + " >= ? AND "
                         + MovementTable.TYPE
                         + " = '"
                         + BCM_MOVEMENT_TYPE
                         + "')";
which one is correct?
thanks in advance

try both and see.
my guess is that the semi-colon at the end is not needed. you only use that in the query browser.
that's the way it is with oracle's sql*plus: you put in an eol character that jdbc does not need.
%

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Hello everybody,
first of all I posted this on
http://www-105.ibm.com/developerworks/java_df.nsf/AllViewTemplate?OpenForm&RestrictToCategory=33
so you can check the IBM forum as well, may be some IBM gurus can comment this...
I'm using the COM.ibm.db2.jdbc.app.Driver shipped with DB2Connect v6.1, v7.1 (tested both on NT and SunOS 5.6, 5.8), the database is DB2 v6, v7 running on an OS390. I am pretty confused:DatabaseMetaData.getProcedureColumns(catalog, schemaPattern, namePattern)cannot handle the namePattern parameter correct. It works only with "", null and "%". Passing any other value results in :COM.ibm.db2.jdbc.DB2Exception: [IBM][CLI Driver][DB2] SQL0206N "PROCEDURE " ist in dem verwendeten Kontext ung�ltig. SQLSTATE=42703
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I have dug a bit and found another incompatibitly with the JDBC specification: the names of the result set columns returned by DatabaseMetaData.getProcedureColumns() as returned by the DB2Driver:
PROCEDURE_CAT
PROCEDURE_SCHEM
PROCEDURE_NAME
COLUMN_NAME
COLUMN_TYPE
DATA_TYPE
TYPE_NAME
COLUMN_SIZE
BUFFER_LENGTH
DECIMAL_DIGITS
NUM_PREC_RADIX
NULLABLE
REMARKS
Here comes the JDBC specification:
<quote>
Each procedure description has the the following columns:
PROCEDURE_CAT String => procedure catalog (may be null)
PROCEDURE_SCHEM String => procedure schema (may be null)
PROCEDURE_NAME String => procedure name
COLUMN_NAME String => column/parameter name
COLUMN_TYPE Short => kind of column/parameter:
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procedureColumnIn - IN parameter
procedureColumnInOut - INOUT parameter
procedureColumnOut - OUT parameter
procedureColumnReturn - procedure return value
procedureColumnResult - result column in ResultSet
DATA_TYPE short => SQL type from java.sql.Types
TYPE_NAME String => SQL type name, for a UDT type the type name is fully qualified
PRECISION int => precision
LENGTH int => length in bytes of data
SCALE short => scale
RADIX short => radix
NULLABLE short => can it contain NULL.
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procedureNullable - allows NULL values
procedureNullableUnknown - nullability unknown
REMARKS String => comment describing parameter/column </quote>
I would appreciate your comments.
Regards,
Anton Maleev
IT Consultant, Software Engineer
Frankfurt, Germany
mailto: [email protected]

Futhermore, when you call DatabaseMetaData.getProcedures(catalog, schemaPattern, "%") when you specified schemaPattern it returns all the procedures no mather if the schema matches the pattern...

Can someone checkout this JDBC code for me?

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    }//end getResultSet()
}//end class

Ok, guys you've thoroughly trashed my code, fine, and
I half expected it because there's nothing like this
code about the placeYou're suffering from delusions of grandeur. There are plenty of approaches to that particular itch. The closest to what you're trying to achieve would probably be Spring's JDBCTemplate:
http://www.springframework.org/docs/api/org/springframework/jdbc/core/JdbcTemplate.html
Hibernate, iBatis, EJB3, and myriad others tackle the issue in other ways.
, but are we therefore concluding
that reducing the jdbc code is virtually impossibile
- and there's an awful lot of it every time you want
to do a query?My major objection to your approach is that you introduce a variety of bugs without significantly reducing the amount of JDBC code required. Most of what you're after in your class can be achieved by a convenience method to acquire the Connection object.
1) If (ok maybe it's a big if) - if I always close
the connection, the statements aren't being leaked
right?Not necessarily. To the best of my recollection the spec doesn't mandate this. And even if it does I've certainly encountered drivers that don't clean up statement resources that aren't explicitly released. So there's a theoretical and practical aspect to this.
2) I'm using Tomcat datasources, for getting the
connection, and I thought that you just had to call
con.close() for it to return to the pool. Am I wrong
on this?No, you're right - but nothing in your class prevents the user from calling getConnection twice and leaking a connection - the least you could do in the circumstances is prevent that by throwing an exception if they try.

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Hi ,
I need help on this matter and will really appreciate.
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Thank you

I added Driver Classname =com.ibm.db2.jcc.DB2Driver
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org.apache.beehive.netui.pageflow.PageFlowController.internalExecute(PageFlowController.java:306)
Please help.
Thanks

Legacy db2 jdbc 2.0 connectivity

i wish to use jdbc 2.0 batch capabilities with my COM.ibm.db2.jdbc.net.DB2Driver implementations that currently runs natively on an AIX 5.3 machine. My DB2 is 7.1 on a windows machine outside the firewall so i don't want to consider moving the implementation from the AIX box.
The 7.1 package seems to come with some jni dll interface to allow for jdbc 2.0. Since i want to keep the routine on the AIX box does anyone have any suggestions on what to do?
My searches only brought up a db2 8.0 type 4 driver that didn't work.
thanks in advance for the help,
graeme.

well i'm hoping someone can help me find a good driver. that is why i mentioned the only one i could find. i never find traversing ibms sites for support downloads an easy task and was hoping someone who focusses on db2/nt would be able to provide assistance.
i've been very lucky on this site before, there are a lot of smart blokes around.

DB2 jdbc code

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