in the setup of freshclient and datadownload foreign key constraint
HelloI use oracle database 10 GB lite R3 and oracle database 10g R2 as the database back end for her. When I do the client installation fees and datadownload of the client machine I don't get the foreign key constraint in the machune of customer. can someone explain to me the reason for this?
Published by: 793097 on November 9, 2010 21:57
The Mobile Server deploy foreign keys out of the box. You will need to add them through scripting. You can add scripts in the MDW or API.
Let me know if you need an example.
Tags: Database
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Oracle Database 11 g Release 11.2.0.1.0 - 64 bit Production
PL/SQL Release 11.2.0.1.0 - Production
CORE 11.2.0.1.0 Production
AMT for 64-bit Windows: Version 11.2.0.1.0 - Production
NLSRTL Version 11.2.0.1.0 - Production
Hi all.
I'm having a problem to add a foreign key to a table constraint, and I was wondering if anyone had any ideas.
I did my example about as simple as you can get.
CREATE TABLE tparent)
PID NVARCHAR2 (10) NOT NULL,
PID2 NVARCHAR2 (10) NULL);
CREATE UNIQUE INDEX ui_tparent ON tparent (pid);
(Tchild) CREATE TABLE
CID NVARCHAR2 (10) NOT NULL,
CID2 NVARCHAR2 (10));
CREATE UNIQUE INDEX ui_tchild ON tchild (cid);
ALTER TABLE ADD CONSTRAINT fk_tc_to_tp FOREIGN KEY (cid) tchild REFERENCES tparent (pid);
Error report:
SQL error: ORA-02270: no unique or primary key corresponding to this column list
02270 00000 - 'no matching unique or primary key to this list of columns.
* Cause: A REFERENCES clause in a CREATE/ALTER TABLE statement
gives a list of columns for which there is no unique or primary match
key in the referenced table constraint.
* Action: Find the names of correct column using the ALL_CONS_COLUMNS
display catalog
??? Which - as you can see I have a unique index - ui_tparent.
This works fine if I use a PRIMARY KEY and a UNIQUE INDEX?
That is to say
ALTER TABLE ADD CONSTRAINT pk_tparent PRIMARY KEY (pid) tparent;
Ora docs say that in order to create a parent needs a UI PK or FK.
Any ideas?
Kind regardsas I say the mistake:
no unique or primary key corresponding to this column list
It takes a unique or primary key and a unique index is not a unique key.
SQL> CREATE TABLE tparent( pid NVARCHAR2(10) NOT NULL, pid2 NVARCHAR2(10) NULL); 2 3 Table created. SQL> alter table tparent add constraint tparent_uk unique (pid); Table altered. SQL> CREATE TABLE tchild( cid NVARCHAR2(10) NOT NULL, cid2 NVARCHAR2(10)); 2 3 Table created. SQL> ALTER TABLE tchild ADD CONSTRAINT fk_tc_to_tp FOREIGN KEY (cid) REFERENCES tparent(pid); Table altered. SQL>
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I need a stored procedure to disable / enable all the constraints in the database schema.
Create or replace procedure enable_disable_proc (status varchar2 schema_name varchar2 (20)) (3).
......
....
...
-> where the 'status' parameter condition must be (YES to activate) (NO to disable)
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Thanks in advance...Sorry Raineau, you have said foreign keys in the thread title, constraints cannot be turned on and off like that.
So for foreign keys:
CREATE OR REPLACE PROCEDURE enab_disab_proc ( status IN VARCHAR2, current_schema IN VARCHAR2 ) IS BEGIN FOR cur_rec IN (SELECT table_name, constraint_name FROM user_constraints WHERE owner = current_schema AND constraint_type = 'R') LOOP EXECUTE IMMEDIATE 'ALTER TABLE ' || cur_rec.table_name || CASE status WHEN 'YES' THEN ' ENABLE ' ELSE ' DISABLE ' END || 'CONSTRAINT ' || cur_rec.constraint_name; END LOOP; END; /
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Hi all
I use the oracle 10g r2 on windows 2003 server database.
I have a table in the HRMS as STAFF.
I have another INVENTORY schema, where I want to access a column as a foreign key in HRMS. STAFF (STAFF_ID).
What exactly I have to grant so this diagram of the INVENTORY will be able to create a referential constraint?connect hrms/hrms@orcl grant select on STAFF to INVENTORY; connect inventory/inventory@orcl alter table inv_details add constraint fk_inv_hr_staff foreign key (staff_id) references HRMS.STAFF(STAFF_ID); Error report: SQL Error: ORA-00942: table or view does not exist 00942. 00000 - "table or view does not exist"
Kind regards.You must also grant the privilege of REFERENCES.
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I am trying to create a relationship between the student and address table so that impossible to insert a record into the table of addresses with a table of student entry.
create table students
(
student_id number (5),
first name varchar (10),
varchar (15) last_name,.
number (3) of the age.
Address varchar (15).
occupation varchar (25), primary key (student_id, age)
);
---------------------------------
create the address table
(
student_id number (5) primary key,.
Street varchar2 (30),
City varchar2 (10),
Code postal number (5)
Student (student_id) REFERENCES
);
Its gives me error
ORA-02270: no unique or primary key corresponding to this column list
But if I take the age in the primary key column in the student table, it works. But I want the student table to have a primary key on student_id and age.
Thank you
SharathFor what reason you ever a primary key on student_id and age (no sense for me).
You can calm down the primary key for the love that never gave you this requirement, create a unique constraint not null on student_id.See,
SQL> CREATE TABLE student 2 ( 3 student_id NUMBER (5) UNIQUE NOT NULL -- Note this. 4 ,first_name VARCHAR (10) 5 ,last_name VARCHAR (15) 6 ,age NUMBER (3) 7 ,address VARCHAR (15) 8 ,occupation VARCHAR (25) 9 ,PRIMARY KEY (student_id, age) 10 ); Table created. SQL> SQL> CREATE TABLE address 2 ( 3 student_id NUMBER (5) PRIMARY KEY 4 ,street VARCHAR2 (30) 5 ,city VARCHAR2 (10) 6 ,zipcode NUMBER (5) REFERENCES student (student_id) 7 ); Table created. SQL> Now your primary key is there(because you insisted), But will not have any effect.
G.
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