How to create a database using a SQL statement? Please help.

Connection con = DriverManager.getConnection("jdbc:oracle:thin:@192.168.0.25:1521:mydb","system","12345678");
but mydb database does not exist.
I want to make a connection to oracle server without database name.
How can I do?

Colleauge, what is the purpose of making a connection to a non-existent database.
connections are made to the database to retrieve some data or put some data.
for which the database should exists.
so please create the mydb database first using Database Configuration Assistant (DBCA) which is much easier as it is GUI based rather than doing it with sql scripts.

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SQL*Plus: Release 9.2.0.1.0 - Production on Tue Jun 12 12:21:09 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
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How to create a database using SQL Developer

Hallo,
I am a user of OpenSUSE 11.4 and have Oracle database install in my system. I was reading this page regarding on creating a database. But I don't know how to launch DBCA in my system. May I know how can I launch DBCA in OpenSUSE 11.4?
THanks @!

user4994079 wrote:
Hallo,
I am a user of OpenSUSE 11.4 and have Oracle database install in my system. I was reading this page regarding on creating a database. But I don't know how to launch DBCA in my system. May I know how can I launch DBCA in OpenSUSE 11.4?
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--- begin quote ---
by entering the following on the UNIX command line:
dbca
--- end quote ---
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Hi there..
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Hi,
I want some help in writing a SQL Query .Its besically a hierarchical query. Let me lay down the table structure first to explain my requirements better.
PORP_TABLE(NODE_LEVEL int, WBS_ID int, WBS_NUMBER varchar(60), LFT int,RGT int)
SELECT NODE_LEVEL, WBS_ID, LFT,RGT FROM PROPOSAL_WBS PW WHERE PROPOSAL_REV_ID = 7000
(SAMPLE DATA)
NODE WBS
LEVEL WBS_ID NUMBER LFT RGT
0 7055 ROOT 1 24
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sample data
WBS_ID , COST_ID , PERIOD , AMOUNT
7057 100 01-jan-2005 5000
7057 100 01-feb-2005 2000
7057 100 01-mar-2005 1000
7057 100 01-apr-2005 6000
7057 100 01-may-2005 3000
7057 100 01-jun-2005 45000
7106 100 01-mar-2005 8000
7106 100 01-apr-2005 7000
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In the example 7055 is the root WBS . The Leaf WBS are the one with max extension in the wbs number ( in this case it is 1.1, 2.1, 3.1.1, 3.2, 4.1 and 4.2)
Now the Starting period for each leaf node in the ALLOCATION_TABLE could be differrent . What that means is WBS 1.1 could start in Jan -2003 and WBS 3.1 Could be Jul-2005 . So the ending perios are also differrent for differrent WBS . Some can span 2 years some can 5 years.
So how to write a query so it retrieves the value for all the Wbs starting from the MIN ( PERIOD ) upto the MAX(PERIOD), and it should roll up also. Now there is No connect by Prior or any analytic functions available for this . THIS NEEDS TO BE DONE ONLY THROUGH TRADITIONAL SQL STATEMENT . And NO DB FUNCTIONS CAN BE USED .
Now if the WBS is a parent node then it should have the sum of all its child nodes for the COST category.
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ROOT
1
1.1
2
2.1
3
3.1
3.1.1
3.2
4
4.1
4.2
......

Thanks for all your thoughtfull replies and feedbacks. Yes it is in Sybase platform . Though I have been woking all along in Oracle , Unfortunately this one is in Sybase, and no the customer cant and wont move to Oracle. So I have to work with it . And if you want to see the table structure . Here are they :
CREATE TABLE PROPOSAL_WBS (
BURDEN_CENTER_ID      numeric(18,0) NULL,
START_DATE      datetime NULL,
END_DATE      datetime NULL,
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FEE_PERCENT      float NULL,
PROPOSAL_REV_ID      int NOT NULL,
PARENT_WBS_ID      int NULL,
NAME      varchar(127) NULL,
COMMENT      varchar(255) NULL,
TARGET_COST      float NULL,
MONTHS_REMAINING      int NULL,
DEFAULT_STAFF_FTE      float NULL,
ANNUAL_GRA_SALARY      float NULL,
NUMBER_OF_GRA      int NULL,
MANAGEMENT_ADJUSTMENT_TOTAL     float NULL,
MA_UNALLOCATED_FUNDS      float NULL,
FEE_TOTAL      float NULL,
FEE_UNALLOCATED_FUNDS      float NULL,
TRAVEL_COMMENTS      varchar(255) NULL,
ODC_COMMENTS      varchar(255) NULL,
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LFT      int NULL,
RGT      int NULL,
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TOTAL_COST_PLUS_FEE      float NULL,
PER_MILE_COST      float NULL,
PER_DIEM      float NULL,
TAX_RATE      float NULL,
RENTAL_CAR_PER_DAY_COST      float NULL,
TAXI_PER_TRIP_COST      float NULL,
CONSTRAINT PK_PROPOSAL_WBS PRIMARY KEY(WBS_ID)
CREATE TABLE PROPOSAL_WBS_ALLOC_DETAIL (
WBS_ID      int NOT NULL,
OBJECT_CODE_ID      numeric(18,0) NOT NULL,
PERIOD_NUMBER      int NOT NULL,
ALLOCATION_AMOUNT     float NULL,
PERIOD_YEAR      datetime NULL,
CONSTRAINT PK_PROPOSAL_WBS_AD PRIMARY KEY(WBS_ID,OBJECT_CODE_ID,PERIOD_NUMBER)
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PROPOSAL_WBS.WBS_ID,
PROPOSAL_WBS.NAME, PROPOSAL_WBS.SORT_ORDER,
PROPOSAL_WBS.NODE_LEVEL, PROPOSAL_WBS.WBS_NUMBER,
CODES.CODE_ID COST_CATEGORY, CODES.CODE_NAME COST_CAT_NAME
FROM PROPOSAL_WBS, CODES
CREATE TABLE CODES (
CODE_ID      numeric(18,0) NOT NULL,
CODE_VALUE      varchar(254) NULL,
CODE_NAME      varchar(254) NULL,
CODE_TYPE      numeric(18,0) NULL,
CODE_PARENT_ID     numeric(18,0) NULL,
CONSTRAINT PK_CODE_ID PRIMARY KEY(CODE_ID)
So let me explain little bit more . The WBSs are categorized into two differrent types. One as INPUT and the second one as NON INPUT. Now assme the the WBS in a tree structure . So only the LEAF WBSs will have the AMOUNT and they are the INPUT WBSs and all non leaf WBSs are NON INPUT. Now lets say there are 5 LEAF WBSs. Each LEAF WBS will have differrent start period ex: WBS 1.1 starts in January 2003 and goes for 48 periods . WBS 2.1 starts in November 2003 and goes for 35 periods . WBS 3.1 starts in March 2004 and goes for 52 periods. and so on .
Now as there is no Allocation Amount entry for all other WBSs except the LEAF WBSs. So how do I get the roll up . For example if you imagine the parent of WBS 1.1 is WBS 1 , and the parent of WBS 2.1 is WBS 2 and the Parent of WBS 3.1 is WBS 3 , and the parent for WBS 1, WBS 2, WBS 3 is "ROOT WBS". As I said there is no entry for WBS 1, WBS 2 , WBS 3 and the "ROOT WBS". So how do I have a roll up of the Leaf WBS data for their parent WBSs.
Now if u think of the data in a matrix report, the WBSs and the COST CATEGORY will be the row values, the Period Numbers will the column values and the Allocation Amount will be the cross values. so lets say the WBS 1 has got two leaf nodes, WBS 1.1 and WBS 1.2 then WBS 1 will have the summed amount for each period starting the minumum period of the two of its leaf nodes and for all the cost categories of both the leaf nodes. and the "ROOT WBS" will have all the cost categories of al the Leaf nodes . for all the periods , period wise.

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How to create a database using a SQL statement? Please help.

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