When we create a duplicate table, we use the below query:
create table table2 as select * from table1;
But table2 is created without any constraints inherited from table1.Can I know how can i create the table with all the constraints existing in parent table.
i am a beginner in SQL and want to create a table with the following constraints :
'orderno' should be primary key and start with o
'clientno' should be foreign key
'ordr date' is not null
'salesmanno' foreign key
'delytype' default value 'f' and possible value ( f or p)
'delydate' cannot be less than order date
'orderstatus' values ('in process.......)
here's my
create table sales_order(orderno varchar2(6) like 'o%' primary key,
clientno varchar2(6) foreign key references client_master(clientno),deldate date not null,dellyaddr varchar2(25),salesmanno varchar2(6) foreign key references salesman_master(salesmanno), delytype char(1) default 'f',billyn char(1),delydate date check > orderdate,orderstatus varchar2(10)check ('in process','fullfilled','cancelled');
what command is used to create a table by copying the structure of another table including constraints ?
View 2 Replies View RelatedI plan to create a copy of original partition table as below in source database DB1.
create table tblname as select * from sourcetab;
The purpose i am creating copy of original tables is i want to have same partition tables with data in target database DB2 (where the partition feature is diabled).
So i am creating copy of original partition tables ,will then create dump of duplicate tables using export method and then load the dump into target database using import.
Both source and target database are in different servers. Partition is disabled in target database. Partition table size is 2GB and it has 5 partitions P1,P2,P3,P4,P5 .Each partition is of size 100 MB. Count of partition table is 15805412
1.My question is would there be any problem while loading dump into target database (where the partition feature is not enabled)?
2.Is it feasible to create a copy of partition tables using below statements in same database ?
create table tblname as select * from sourcetab;
I want to create a store procedure to copy data from a source tables(which may not have any constraints defined) to a table which has primary key, foreign key and unique key constraints.
Any records which are rejected due to these constraints not being satisfied need to go another table.
Once the initial data load is done, these procedures need to be automated(through cron) to do the future incremental uploads in the same manner.
forms_ddl('ALTER TABLE ACCOUNT.VOC_DETAIL DROP CONSTRAINT FK_VOC_NO');
forms_ddl('ALTER TABLE ACCOUNT.VOC_MASTER DROP CONSTRAINT PK_VOC_MASTER');
forms_ddl('ALTER TABLE ACCOUNT.VOC_MASTER ADD CONSTRAINTS PK_VOC_MASTER primary key(VOC_NO)');
forms_ddl('ALTER TABLE ACCOUNT.VOC_DETAIL ADD CONSTRAINTS FK_VOC_NO FOREIGN KEY(VOC_NO) REFERENCES VOC_MASTER(VOC_NO)');
the trigger works very well but when i add some trigger between drop and create constraints then first step drop constraint sucessfully but 2nd trigger when create new constraints not working examples of trigger are as under:-
declare
s_number varchar2(7);
cursor masters is
select voc_type,voc_date,voc_no from account.voc_masterorder by voc_type,voc_date,voc_no;
abc masters%rowtype;
cursor detail is
select voc_no,ref_no from account.voc_detail group by voc_no,ref_no;
[code]....
the query, to get the foreign key constraints and related table fro give table.
View 2 Replies View RelatedHow do know all the constraints that are present on the data in a table in oracle ??
View 2 Replies View RelatedI would like to print all the constraints on all columns given a table name.
Example:
SQL>@constrnts
Enter Table Name: emp
empno ---- Primary key
deptno ---- foreign key references Dept(deptno)
I want to truncate table partition but I'm getting error:
CODEORA-02266: unique/primary keys in table referenced by enabled foreign keys
because of table has a nested table. Currently this column is not in use so I could drop it, but I want to avoid it (table is huge). Is there another posibility to do truncate partitions in this table? ALTER TABLE ... SET UNUSED doesn't resolve the problem.
can a table level check constraints have conditional checking (if else clause or case conditional structures) and checks which are limited through something like a where clause which inside the table level check constraints.And can a table level check constraints refer to a column in another table column which should have a the same value.
View 1 Replies View RelatedI knew, how to enable or disable a constraint on a table.
>alter table <table_name> disable constraint <constraint_name>;
But if we know all the data is correct, it's better to disable all constraints to improve the performance.
We are allowed to Disable or Enable only a single constraint.
Enable or Disable All Constraints.
how to copy data and constraints from one table to another table
View 8 Replies View Relatedthrough Difference between table Level, column Level ,row level constraints.
View 8 Replies View Related1. how can i impose a restriction on a table so that the data gets updated only specific period of time say 9 a.m. to 10 p.m.
2. Can i use bulk collect in dynamic sql? If yes how?
I want a query for all the columns in a table including there constraints and indexes of a "SCOTT" schema
View 7 Replies View RelatedI know that you can view all constraints in a table using $USER_CONSTRAINTS or $USER_INDEXES view. What i find difficult is that the information in those views is not really well presented.
I find it very hard to follow. For example, just to find out which columns are foreign keys and which tables they refer to is really tedious. Is there a simpler way to view all the constraints especially foreign keys of a table and including which table columns they refer to in the child table.
I like to see a diagramatic representaion of all the tables involved so i like to see both the parent and the child tables, which columns are related and using which FKs etc. is there an easier way to view this information?
I have created table as below
create table emp_temp as select * from emp;
the table is created, but the constraints are not copied. Is there any way to copy all the constraints.
can you use alter table command to disable/enable constraints in a form if you can how, if you cant why
View 4 Replies View RelatedAm creating a table based on some integrity constraints, but it's not working.
CREATE TABLE member
(
member_id NUMBER(10),
last_name VARCHAR2(25) NOT NULL,
first_name VARCHAR2(25),
[code],,,
Error:
Error report:
SQL Error: ORA-02270: no matching unique or primary key for this column-list
02270. 00000 - "no matching unique or primary key for this column-list"
*Cause: A REFERENCES clause in a CREATE/ALTER TABLE statement gives a column-list for which there is no matching unique or primary key constraint in the referenced table.
*Action: Find the correct column names using the ALL_CONS_COLUMNScatalog view
What is the difference between CREATE EXTERNAL TABLE Vs CREATE TABLE .?
Is CREATE EXTERNAL TABLE included in CREATE TABLE?
I have a following table,
create table ashok_temp11(col1 varchar2(10),col2 varchar2(10));
and have the following values,
insert into ashok_temp11 values('A1','1001');
insert into ashok_temp11 values('A2','1001');
insert into ashok_temp11 values('A3','1002');
insert into ashok_temp11 values('A4','1003');
[Code]...
I need the duplicate values in the table. That means
col1 col2
a1 1001
a2 1001
a6 1001
a3 1002
a7 1002
I tried the following query and its not fetching me any records.
SELECT col1,
col2
FROM ashok_temp11
GROUP BY col1,
col2
HAVING COUNT(col2) > 1
ORDER BY col2
i have a employee table .i want to find out duplicate name from this table.so i write following query
select empname from employee
having count(empname) >1
group by empname
i find the result but problem is how i can find out the same name if it have any space like ramkumar ram kumar both are same but above query did not.give this data. how i can solve it
I looking for a cursor where i can find duplicate rows in a table. Like i have emp table in which i have deptno column. I have four with same deptno e.g 10. Now my requirement is after i get the 1 record with deptno 10 , i need a message that shows remaining 3 record as duplicate entry except the very first entry.
View 1 Replies View RelatedIn oracle 9i ........How to delete duplicate entries in a table ?
if suppose in a table named office, one or more entry(row) is repeated more then twice or minimum twice.
I need a query to delete the multiple entries ....
Note:
--->No constraints applied on the table.
--->No Primary Key
--->You cannot create any object....that is no view or a duplicate table can be created
how to remove duplicate rows from table?
View 6 Replies View RelatedHow to retrieve duplicate rows from a table, suppose i don't know any column names. Without hard-coding column names I need to find.
View 5 Replies View Relatedhow to display the dupicate record in table
View 1 Replies View RelatedI need to delete the duplicate values from plsql table OR move the distinct values in plsql table to other plsql table.
how can i do this ?
DECLARE
TYPE alist IS TABLE OF VARCHAR2(10) INDEX BY BINARY_INTEGER;
p_tbl alist;
BEGIN
p_tbl(1) := 'A1';
p_tbl(2) := 'B2J';
p_tbl(3) := 'A1';
[code]......
The p_tb1 table contains all the above values including duplicates. Now I need only distinct values to be copied in another plsql table of same type.
I need to delete duplicate records from a table (indeed they are multiple duplicates).
Table Data
IDGroupQty
1KK30
1KK0
1KK19
2AA0
2AA30
3AA0
3AA30
3AA30
3AA9
My aim is to delete duplicates out of above data, with the below condtions.
1) first record with value 30 and then with value 0.
2) if there are 3 duplicate records ex: ID is 1 and Group KK, then i have to delete both 30 & 0 qty records.
3) If there are more than 3 duplicate records ex: ID is 3 and Group is AA, the i have to delete all the records with qty value either 30 or 0 and.
I have written a query like below.
SELECT id,
unit,
RANK ()
OVER (PARTITION BY id, unit
ORDER BY id, unit)
num
FROM temp;
with the above query, i am unable to mark this dynamic duplications.