How to find foreign key in pl/sql

Error starting at line 1 in command:
DELETE FROM ZKET_SOLE WHERE IID_SOLA = 1
Error report:
SQL Error: ORA-02292: integrity constraint (IRCKIS.ZKETSTIP_ZKET_FK) violated - child record found
02292. 00000 - "integrity constraint (%s.%s) violated - child record found"
*Cause: attempted to delete a parent key value that had a foreign
dependency.
*Action: delete dependencies first then parent or disable constraint.
i need to find foreign key but i do not know how. I know that it must be in dictionary but i can not find it. I do not have access to ER model.
Thx

You could use a query similar to this:
SELECT ucc.constraint_name,ucc.table_name,ucc.column_name
FROM user_cons_columns ucc
JOIN user_constraints uc on uc.constraint_name=ucc.constraint_name
WHERE CONSTRAINT_TYPE='R'You could also use the ALL_CONSTRAINTS / ALL_CONS_COLUMNS views.
Hope this helps!

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How to find existing DAC connection to sql server

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Hello,
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Hello Freinds,
I have created two sample tables ...
create table primaryTable(id int primary key,value int);
OK; 1 row affected
create table childTable(id1 int primary key,id int references primaryTable(id),value int);
OK; 1 row affected
ants_dsn_3.4> select * from childTable;
| ID1 | ID | VALUE |
| 1 | 1 | 1 |
| 2 | 2 | 1 |
| 3 | 3 | 1 |
OK; Returned 3 rows from 3 fields
ants_dsn_3.4> select * from primaryTable;
--------------------------+
| ID | VALUE |
--------------------------+
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
--------------------------+
I want to drop the Foreign key in the Child Table.
And when i do that i get the Following error.
ants_dsn_3.4> alter table childTable drop ID;
[ANTs Software][ANTs DATABASE ODBC driver][ants_dsn_3.4] Server returned error : ERROR (70007): Cannot drop the column 'ID' that has a constraint on it
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Thanks in advance,
Faizan.

The reason you are having a problem is that you are using a very bad technique for creating your constraints.
SQL> create table primaryTable(id int primary key,value int);
Table created.
SQL> create table childTable(id1 int primary key,id int references primaryTable(id),value int);
Table created.
SQL> select constraint_name, constraint_type
2 from user_constraints
3 where table_name = 'CHILDTABLE';
CONSTRAINT_NAME                C
SYS_C0011508                   P
SYS_C0011509                   R
SQL> ALTER TABLE childtable DROP CONSTRAINT SYS_C0011509;
Table altered.
SQL> Create your constraints properly and you won't get system generated names.
CREATE TABLE primaryTable(id INTEGER, value INTEGER);
ALTER TABLE primarytable
ADD CONSTRAINT pk_primarytable
PRIMARY KEY (id)
USING INDEX;And columns named ID and VALUE are enough to make me refuse to hire someone for a job. Get a copy of Joe Celko's books and learn how to name columns. Also do not use reserved words for column names:
SELECT keyword
FROM gv$reserved_words;Now lets get back to your referential constraint:
CREATE TABLE childTable(id1 INTEGER, id INTEGER, value INTEGER);
ALTER TABLE childtable
ADD CONSTRAINT pk_childtable
PRIMARY KEY (id)
USING INDEX;
ALTER TABLE childtable
ADD CONSTRAINT fk_child_primary_id
FOREIGN KEY (id)
REFERENCING primarytable(id);BTW: I would fail a first quarter student who, on their midterm, wrote what you've written above. You should find yourself a good beginning book on database design.

How to apply Foreign Keys on top of a Common Lookup table

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, CdValueDesc VARCHAR ( 255 ) NULL
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I did though run into one forum where a person brought up a great idea. Filtered Foreign Keys, what a novel concept, if it could work it would make so much less code to fix an issue like this. :)
ALTER TABLE dbo.BusinessStatus WITH NOCHECK
ADD CONSTRAINT FK_dbo_BusinessStatus_CodesTable FOREIGN KEY (LoanStsDtCd) REFERENCES dbo.CodesTable (CdValue) WHERE CdTyp = 'Status'
U.S. Army Airborne! The only way to fly

>> I have several common lookup tables where many of the "codes" reside for many different code types. <<
No! This is called “Automobiles, S quids and Lady Gaga” SQL and laugh at you or fire you or both. A table is a set; a set has one and only one kind of element it it. This is the basis of RDBMS and First Normal Form.
This is so bad it has a name; OTLT for “One True Lookup Table” ;I give an example of how stupid this in one of my books where a Dewey Decimal Classification for Churches is the same as the ICD code for deformed testicles.
There is no such crap as a “generic_type_code” in RDBMS. It either a “<something in particular>_type” or a “<something in particular>_code” in data modeling and the ISO-11179 standards.
You have more NULL-able columns in one table than you should have in an entire schema!
You have audit data (creation and modification) in the row under audit. This is both stupid and illegal. You cannot expose the audit trail to the data user by law. When you delete a row, you also destroy the audit trail –Doh!
You have no CHECK() constraint on the (effective_date, expiry_date) pair.
Putting “_table” in a table name is a design error called a “tibble” to make fun of how silly it. You might want to download the PDF of bad SQL code smells from Red Gate so you can avoid things like this.
>> the CdValue column is the column that is used throughout the hundreds of tables that use this codes table, and their corresponding column is not named the same. <<
“_value” and “_code” are both what ISO-1179 calls an attribute property. It is a silly as a list of adjectives without a noun.
Each encoding is a separate table in a valid schema, each with its own validation and verification. You have to stop doing this. This is fundamental!!
--CELKO-- Books in Celko Series for Morgan-Kaufmann Publishing: Analytics and OLAP in SQL / Data and Databases: Concepts in Practice Data / Measurements and Standards in SQL SQL for Smarties / SQL Programming Style / SQL Puzzles and Answers / Thinking
in Sets / Trees and Hierarchies in SQL

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lob table attributes: lobId and lobName.
sbu table attributes:sbuId,sbuName,and lobId.Here lobId a is foreign key referring to primary key of lob table.
I want to represent this in the entity services.
Can you plz tell me how can i do this?.
Thanks
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Hi Sampath,
to avoid creating a lob entity set the lobId and the timestamp attributes. because this is not smoothly done in the service browser, continue writing your UI.
in old caf implementation this blog serie gives you a short overview...
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I'm trying to add functionality to one of my Numbers tables where want to check a single cell for multiple keywords from a list. The hole thing works perfectly fine in Excel but it behaves differently in Numbers.
The formula I am using is:
=IF(ISERROR(LOOKUP(2^15;FIND($E$2:$E$11;A2)));"not found";"found")
The following screenshots show that it correctly finds the keys in the cell when using Excel but not in Numbers. Although, it seems to work if the key is in the same row as the input cell.
Excel table using the formula I posted in the C column:
Numbers table using the formula I posted in the C column:
Would be really happy if somebody knows how I could accomplish that!
Cheers,
Maik

If you are working in Numbers you can do this efficiently with a small AppleScript without going back to Excel or clone. One click and you get the following result:
This script works with Numbers 2.3, which your screenshot suggests you are using. If you are using Numbers 3 it needs a very small adjustment.
This is the script:
--https://discussions.apple.com/thread/6315365?tstart=30
property inputCol : 1 --> col A, as in example
property resultCol : 3 --> col C, as in example
property keysCol : 5 --> col E, as in example
property targDoc : 1 --> 1 is front document; can change to "MyDocName"
property targSheet : 1 --> 1 is first sheet; can change to "MySheetName"
property targTable : 1 --> 1 is first table; can change to "MyTableName"
tell application "Numbers"
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                              else
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                    end if
          end repeat
end tell
--end of script
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Hello, im pretty new to sql and i am stuck on a project in my database management class and i was wondering if anyone can help us out. I don't know if it would be easier to send what i've done or just post the error so if anyone could help it will be appreciated.
This is one part of the sql
CREATE TABLE PREREQUISITE_T
(COURSECODE VARCHAR2(10)NOT NULL,
PREREQUISITECODE VARCHAR2(20),
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INSERT INTO PREREQUISITE_T VALUES ('23131', '3213');
INSERT INTO PREREQUISITE_T VALUES ('23541', '4213');
INSERT INTO PREREQUISITE_T VALUES ('23251', '3413');
INSERT INTO PREREQUISITE_T VALUES ('56131', '3513');
INSERT INTO PREREQUISITE_T VALUES ('75431', '3613');
INSERT INTO PREREQUISITE_T VALUES ('45631', '3813');
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INSERT INTO PREREQUISITE_T VALUES ('45351', '5413');
the error i get is
ERROR at line 1:
ORA-02298: cannot validate (STUDENT.SYS_C003016) - parent keys not found
It works fine without the primary keys but when i put in foreign keys it is all messed up. If there a a tutorial or anyone could take a look at the rest of the code i can send it out. Any help is appreciated.

probably u had given the column value not exists in the reference table.
see the example
create table tst(x number ,y number);
alter table tst add constraints pk_x primary key(x);
create table tst1(x number, y number);
alter table tst1 add constraints fk_x foreign key(x) references tst(x);
SQL> insert into tst values(&x,&y);
Enter value for x: 1
Enter value for y: 2
old 1: insert into tst values(&x,&y)
new 1: insert into tst values(1,2)
1 row created.
SQL> /
Enter value for x: 2
Enter value for y: 3
old 1: insert into tst values(&x,&y)
new 1: insert into tst values(2,3)
1 row created.
SQL> commit;
Commit complete.
SQL> insert into tst1 values(&x,&y);
Enter value for x: 2
Enter value for y: 1
old 1: insert into tst1 values(&x,&y)
new 1: insert into tst1 values(2,1)
1 row created.
SQL> /
Enter value for x: 5
Enter value for y: 6
old 1: insert into tst1 values(&x,&y)
new 1: insert into tst1 values(5,6)
insert into tst1 values(5,6)
ERROR at line 1:
ORA-02291: integrity constraint (SHFLDEV.FK_X) violated - parent key not found

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I am writing to seek help, in regards creating foreign key automatically, when I insert data into my ''price'' table. I have 2 tables, one called prices and names. the relationship between them, if that one name can have many prices and one price
can have many names (many-to-many). Hence, i have junction table called "Name_Prices", as shown below in the sample database schema:
Names
name_id [pk]
name
type
UploadDate
Prices
Price_id [pk]
name_id [fk]
price
uploadDate
Name_Prices
name_id REFERENCE names (name_id)
price_id REFERENCE prices (price_id)
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The price's data input comes in as CSV file everyday. (please see the example below) :
name name_type price UploadDate
ALBA MBS 93.5 17/10/2014
ALESC Trup 58 17/10/2014
ALESC Trup 52 17/10/2014
My desire goal/output is to be able to create a functionality, where I can insert the price's data into the database (''prices''), it will automatically insert foreign key in the price
table (from the names table), and if there is a new price's name, then the database will create a new name id for it, in the name's table, transferring the name, its type, from the CSV input data.
In order to achieve this task, where would I start implementing this logic?(in SQL server or application-side) what steps does this involve and is this task achievable, all in sql server side (i.e. store procedure, functions etc..).
Apology in advance, if the question is not clear to understand, i happy to follow up with further questions, if required.
Any help would be very appreciated. Many thanks

As noted above, I modified the design:
Products
Product_id [pk]
Product
type
UploadDate
Prices
Price_id [pk]
price
uploadDate
Product_Prices
Product_id REFERENCE Products (Product_id)
price_id REFERENCE prices (price_id)
PRIMARY KEY (Product_id, price_id)
Note
Kalman Toth Database & OLAP Architect
SQL Server 2014 Database Design
New Book / Kindle: Beginner Database Design & SQL Programming Using Microsoft SQL Server 2014

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hi,
anyone got sql that would tell which tables reference a primary key in a another table e.g. the link from primary key to foreign key in a schema?
thanks

query DBA_CONSTRAINTS
SQL> desc dba_constraints
Name                            Null?    Type
OWNER                            NOT NULL VARCHAR2(30)
CONSTRAINT_NAME                  NOT NULL VARCHAR2(30)
CONSTRAINT_TYPE                        VARCHAR2(1)
TABLE_NAME                       NOT NULL VARCHAR2(30)
SEARCH_CONDITION                        LONG
R_OWNER                             VARCHAR2(30)
R_CONSTRAINT_NAME                        VARCHAR2(30)
DELETE_RULE                             VARCHAR2(9)
STATUS                              VARCHAR2(8)
DEFERRABLE                             VARCHAR2(14)
DEFERRED                             VARCHAR2(9)
VALIDATED                             VARCHAR2(13)
GENERATED                             VARCHAR2(14)
BAD                                  VARCHAR2(3)
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LAST_CHANGE                             DATE
INDEX_OWNER                             VARCHAR2(30)
INDEX_NAME                             VARCHAR2(30)
INVALID                             VARCHAR2(7)
VIEW_RELATED                             VARCHAR2(14)

How to find foreign key in pl/sql

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