PL/SQL :: Inserting Data Into Nested Table
Jul 22, 2013
I am exploring the differences between OBJECT & RECORD. As i am still in process of learning, I found that both are structures which basically groups elements of different datatypes or columns of different datatypes, one is used in SQL and other is used in PL/SQL. Below i am trying to insert data into an table of type object but i am unsuccessful.
CREATE OR REPLACE type sam as OBJECT
(
v1 NUMBER,
v2 VARCHAR2(20 CHAR)
);
---Nested Table---
create or replace type t_sam as table of sam;
--Inserting data----
insert into table(t_sam) values(sam(10,'Dsouza')); Error Message:
[code]........
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Jul 26, 2011
shall we stop inserting data into a table before it inserting using Trigger?
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Mar 12, 2012
create type nesttype as table of clob;
create table emp
(empno number,
ename varchar2(1000),
language_known nesttype
)
I want to check whether language is already there in database or not.
i have written the below query
select * from emp where language_known =nesttype('english','hindi');
i am getting the below error
SQL Error: ORA-22901: cannot compare nested table or VARRAY or LOB attributes of an object type
22901. 00000 - "cannot compare nested table or VARRAY or LOB attributes of an object type"
*Cause: Comparison of nested table or VARRAY or LOB attributes of an
object type was attempted in the absence of a MAP or ORDER
method.
*Action: define a MAP or ORDER method for the object type.
How to compare data in nested table
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Mar 12, 2012
SCOTT@orcl_11gR2> create or replace type nesttype as table of clob;
2 /
Type created.
SCOTT@orcl_11gR2> create table emp
2 (empnonumber,
3 enamevarchar2(1000),
4 hobbynesttype)
5 nested table hobby store as hobby_nt
6 /
Table created.
SCOTT@orcl_11gR2> insert into emp values
2 (1, 'name1', nesttype ('dancing', 'cricket','listening music','dancing'))
3 /
1 row created.
SCOTT@orcl_11gR2> insert into emp values
2 (2, 'name2', nesttype ('cooking', 'dancing','cooking'))
3 /
1 row created.
I want to update nested table record based on index suppose i want to update 3rd number of hobby for name2 employee
i have written the below query
SCOTT@orcl_11gR2>update Table(select hobby from emp
2 where empno= 2) e
3 set value(e)='new_value' where to_char(value(e)) = (select 4 to_char(tab1_element)
5 from (select rownum rn,
[Code]...
2 rows updated.
but the above query is updating 2 records but my requirement is it should update only third record
How can we update nested table based on index number
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May 26, 2013
I am trying to add a new column in a table and insert data from another column of same table.
alter table POSITION add INT_MK_DATA_ID number(10,0) null;
update POSITION set INT_MK_DATA_ID = INST_MARKET_DATA_ID;
commit
As there are huge number of records in the POSITION table ...its taking for ever to execute this query.
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Oct 23, 2010
I have two tables with two columns of each table in my Oracle Version :Oracle 9.2.0.1.0
TEST22:
-----------
|sno |sname |
-----------
| | |
-----------
TEST22P:
---------------
| col1 | col2 |
|---------------|
| sno | 1 |
| sname | arun|
---------------
Required outcome is
TEST22:
----------
|no | name |
|----------|
|1 |arun |
----------
Also this should be applicable for more than one value in the column col2 of table TEST22P.
ex:-
TEST22P:
--------------------
|col1 | col2 |
|--------------------|
|sno | 1,2..n |
|sname | arun,ajay..n|
--------------------
I used decode & pivot insert for this,but the result is a failure.
SQL>INSERT INTO test22 (no,name) SELECT DECODE(col1,'n',col2),DECODE(col1,'name',col2) FROM test22p;
SQL>
sno sname
--------
1 null
null arun
AND
SQL> INSERT ALL
2 INTO test22 VALUES(no)
3 INTO test22 VALUES(name)
4 SELECT DECODE(col1,'n',col2),DECODE(col1,'name',col2) FROM test22p;
INTO test22 VALUES(name)
*
ERROR at line 3:
ORA-00904: "NAME": invalid identifier
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Feb 17, 2010
I have some problem when i try to export data from a table which contains a nested table, using toad.
When toad generate the file, in the column corresponding to the nested table, toad just write a (DATASET) instead of the data contained in the nested table
Here is an example:
INSERT INTO SSD_REV_S ( REV_ID, REV_TAB, REV_TS, REV_USER, REV_LOG )
VALUES (
TO_Date( '07/30/2007 12:00:00 AM', 'MM/DD/YYYY HH:MI:SS AM'), (DATASET), TO_TIMESTAMP('4/3/2009 11:20:51.000000 AM','fmMMfm/fmDDfm/YYYY fmHH12fm:MI:SS.FF AM'), 'operator', 'Add EVENT');
REV_TAB is my nested table
way to export data from a table which contain a nested table, as a list of insert statement, so i can move the data to a different database schema? I can also use different client tool.
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Mar 17, 2012
I've to do a update activity for data correction. There are about 1 crore records involved in this. I want to keep a log of the activity at least Sales No. so that I can validate my data correction. Main cursor is involved for this. The problem is if I insert each record for sales number in the loop then process will take about double time. So i decided to create a nested table and insert after each session finishes.
I'm talking about session here is. The table I'm updation is partition table. So I can have many sessions and each session updating different table partition. This way there is no lock, better performance. Server has 35 processors so I can at least have 25 sessiions.
I could have used varray for this. But I want to learn nested table also. Problem here is not to take different way to complete this activity but to learn why I'm facing this issue.
CREATE OR REPLACE TYPE OBJ_TXN_LOG AS OBJECT
(
SALES_NO VARCHAR2(24)
,sALES_SEQ NUMBER(4)
) ;
[code]...
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Nov 22, 2012
I need to insert data in Table A from Table B where most of the fields are identical and might some of the fields will be more in Table A.
ex: Table A: a,b,c,d,e,f
Table B: a.b,c,g,h
How to insert this using user_tab_columns in cursor and if I am giving the i/P as my table names . This needs to be configurable and reusable rather i mention all the fields in my logic.
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Sep 3, 2012
I am trying to insert a column into a variable from a trigger.
Here is the code that i have:
CREATE OR REPLACE TRIGGER BUYER_after_update AFTER UPDATE ON buyer
FOR EACH ROW
DECLARE
v_key varchar2(10);
BEGIN
select ID into v_key from buyer;
insert into message_log_table (table_name, message_comments)
values
('Buyer', 'Buyer '||v_key||' has been updated');
end;
/
When I run the above I get the following compiler error:
[Error] ORA-00904 (6: 12): PL/SQL: ORA-00904: "ID": invalid identifier
Since ID is defined in my BUYER table I do not understand what the error means.
Here is my create table statement:
CREATE TABLE BUYER
(
ID VARCHAR(50) NOT NULL PRIMARY KEY,
FNAME VARCHAR(50) NOT NULL,
LNAME VARCHAR(50) NOT NULL,
ADDRESS VARCHAR(50) NOT NULL,
CITY VARCHAR(50) NOT NULL,
STATE VARCHAR(2) NOT NULL,
ZIP_CODE NUMBER(5) NOT NULL
);
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Jul 22, 2012
I have a table created with the following code:
CREATE TABLE CLIENT
(
CLIENT_ID NUMERIC(2),
CLIENT_NAME VARCHAR2(25),
CONTACT_LAST_NAME VARCHAR2(15),
[Code]...
I have altered the table to have the following:
ALTER TABLE CLIENT
ADD CLIENT_CITY VARCHAR2(25);
I am trying to insert new data into said table that was updated:
INSERT INTO CLIENT
(CLIENT_CITY)
VALUES
('Mount Pearl')
WHERE CLIENT_ID = 1;
Then I get the following error:
Error starting at line 1 in command:
INSERT INTO CLIENT
(CLIENT_CITY)
VALUES
('Mount Pearl')
WHERE CLIENT_ID = 1
Error at Command Line:4 Column:15
Error report:
SQL Error: ORA-00933: SQL command not properly ended
00933. 00000 - "SQL command not properly ended"
*Cause:
*Action:
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Aug 8, 2013
I have an XML of the following format:
<data>
<students>
<student>
<studentname>Raymond<studentname>
<StudentId>1</StudentId>
<StudentAge>11</StudentAge>
<StudentMark>0</StudentMark>
</student>
</students>
Now i have to insert this xml into DB , the table consist of following columns ( row number , property name , value ) Expected out put is (1,student name,Raymond) ,( 1, studentid , 1) ( 1, studentAge, 11) (1,Studentmark , 0) The challenges here is
1. how to get the tag names and populate the property name column ?
2. The number of properties for a student can be variable , How can i deal with them ?
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Jun 25, 2013
I am trying to insert huge data into another huge table which is almost taking around 2-3 hrs. See my below query
INSERT /*+ APPEND *//*+ NOLOGGING */ INTO DB1.Table1 SELECT * FROM DB2.Table2 ;
COMMIT;
Both Table1 and Table2 have same structure and table1 is master table having 100 Billion records and table2 having 30 Million records. This is a direct insert where each day this operation carried.
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Feb 16, 2010
I have a form that has one text box in it, and I want this value to be inserted into a table called Staff Name, which has only one column, but im unsure as to how I would get my SQL statement to pick up this value.
I tried:
begin
insert into StaffName values ('addstaffmember');
end;
Add staff member is the name of the text box. this statement compiled but when I ran the form and tried to click save it would not work.
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May 13, 2011
using FORALL for inserting data into table.
Below pl/sql works fine when we write all the cursor data together:
DECLARE
TYPE t_rec IS TABLE OF T%ROWTYPE;
l_tab t_rec;
CURSOR cur IS SELECT a,b FROM t;
BEGIN
[Code]...
but I want to insert including some constant value while inserting the data like
DECLARE
TYPE t_rec IS TABLE OF T%ROWTYPE;
l_tab t_rec;
CURSOR cur IS SELECT a,b FROM t;
BEGIN
[Code]...
How to do this by using forall, or how to do without hiting performance ( more than 5000 rows i have to write.
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Feb 16, 2004
how to read the excel data and insert into tables without using SQL loader. i tried using OLE2 package,but i am getting an non-oracle exception. even i tried using CSV format. but i couldn't make it.
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Oct 18, 2010
Scenario:
Our application is using a two instance, one for the live active data and the other for the reports data. We have a process which moves the data from the live instance to reports instance every night. In a single db environment the process is working without any issues. However when we move to the RAC environment the reports db's (insert) in large table get locked and we are unable to insert data to the reports db.
What we are performing is:
Insert into my_table_rpt select * from may_table_live@db_link_to_livedb;
Issues:
my_table_rpt get locked
We have found the workaround by disable locking in destination and subsequent to the insert enable locking
ALTER TABLE my_table_rpt DISABLE TABLE LOCK;
Insert the data to the reports database table
Then
ALTER TABLE my_table_rpt ENABLE TABLE LOCK
Question:
Why does the large destination table (my_table_rpt) get locked in the RAC environment?
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Sep 7, 2012
I have a table that has 2 columns of type nested table. Now in the purge process, when I try to truncate or drop a partition from this table, I get error that I can't do this (because table has nested tables). how I will be able to truncate/drop partition from this table? IF I change column types from nested table to varray type, will it work?
Also, is there any short method of moving existing data from a nested table column to a varray column (having same fields as nested table)?
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Jan 9, 2013
a material related to collections with Examples and also how to declare table type values.
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Aug 29, 2012
Is Oracle will support Multi value storage ? In what way we can use Nested table? In real time application where we can use nested table . What is the usage of nested table in real time application.
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May 17, 2011
what is the advantage of Nested table ?
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Sep 10, 2013
I am studing Multidimensional Nested table and have the below code:
DECLARE TYPE table_type1 IS TABLE OF INTEGER; TYPE table_type2 IS TABLE OF TABLE_TYPE1;
table_tab1 table_type1 := table_type1();
table_tab2 table_type2 := table_type2(table_tab1);
BEGIN FOR i IN 1 .. 2 LOOP table_tab2.extend;
table_tab2(i) := table_type1();
[Code]...
exception when others then dbms_output.put_line(sqlerrm);END; This code is working fine as of now.But,If i comment below code(table_tab2 is also extended latter):
table_tab2.extend;
table_tab2(i) := table_type1();
then it gives me error 'Subscription Beyond count'. I would like to know why i need to extend table_tab2 twice?!
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Jul 11, 2011
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.
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Dec 2, 2010
I try to do this:
CREATE MATERIALIZED VIEW MV_NESTED_DATA
NOCACHE
LOGGING
NOCOMPRESS
NOPARALLEL
BUILD IMMEDIATE
USING NO INDEX
REFRESH COMPLETE
ON DEMAND
START WITH ROUND(SYSDATE)
NEXT ROUND(SYSDATE) + 1
WITH ROWID
AS
select NESTED_TABLE_FIELD from MY_TABLE@Y_DB_LINK;
where NESTED_TABLE_FIELD is a nested table stored as T_NESTED_TABLE
And I get the error: ORA-12014: table 'T_NESTED_TABLE' does not contain a primary key constraint
Why should it if I try to create a MV with "WITH ROWID" refresh option and not "WITH PRIMARY KEY" one?
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Feb 18, 2011
I have created table with nested table:
CODECREATE OR REPLACE TYPE ADDR_T AS OBJECT (
ADDR1 VARCHAR2 (50),
ADDR2 VARCHAR2 (50)
);
CREATE OR REPLACE TYPE t_ADDr AS TABLE OF ADDR_T;
[code]....
I have added some records and created index on ID column. I want to get result of CODEselect id, p.addr1,p.addr2 from nested_table n,table(n.COL1) p where id=1
Explain plan for that is:
CODESELECT STATEMENT ALL_ROWSCost: 8 Bytes: 231 Cardinality: 3
4 HASH JOIN Cost: 8 Bytes: 231 Cardinality: 3
2 TABLE ACCESS BY INDEX ROWID TABLE SYS.NESTED_TABLE Cost: 2 Bytes: 13 Cardinality: 1
1 INDEX RANGE SCAN INDEX SYS.FDSFAS Cost: 1 Cardinality: 1
3 TABLE ACCESS FULL TABLE (NESTED) SYS.COL1_TAB Cost: 5 Bytes: 163,840 Cardinality: 2,560
How to avoid full table scan on nested table? Cardinality is sum of all records in nested column in all rows in main table, why?
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Sep 11, 2012
I'm trying to sort a collection in a nested table in PL/SQL so these value can be used later for a display and for export to Excel. The sort is failing.
-- PLS-00642: local collection not allowed in SQL statements
-- PL/SQl: ORA-00902: invalid datatype
The error message are also noted below in the code on the line that fails.
A quick overview of this code- Using a nested table MyNestedTable the values from several select queries are combined into MyRecordsetZero using CURSOR, and MULTISET UNION. I'm trying to either sort MyRecordsetZero or populate MyRecordsetSorted with the sorted values for futher use.
IMPORTANT: The code is running in an enviroment that does not have permission to create.
Versions:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
PL/SQL Developer: 8.0.0.1480
DECLARE
-- Declare the variable MyTID to be used by select statements and
-- set its data type and max character count
MyTID varchar2(10);
[code]....
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Nov 10, 2011
In test.pks file I declared the following type
TYPE tab_tests is table of NUMBER(15);
In test.pkb, I have the following procedure
PROCEDURE report (
i_cid IN NUMBER
)
IS
test1 tab_tests := tab_tests();
test2 tab_tests;
BEGIN
-- I populate test1 with the data and it works fine. But when I tried to make a sorted nested table with the following command.
I got this error 'ORA-00902: invalid datatype',
a nested table than the following, like a built in Oracle collection method?
execute immediate 'select cast( multiset (select * from table(test1) order by 1) as tab_tests) INTO test2 FROM dual';
END;
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Mar 4, 2013
need to use Extend() in nested tables in Oracle? What could be the problem if I do not use this method in my code?
I have a nested collection type (TABLE OF VARCHAR2(32)) declared in my package. My stored procedure takes the TABLE type as input and inserts that data into a database table.
I see that my code works fine without using EXTEND method.
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Apr 12, 2010
I am getting compilation error when create nested table type depend on table structure
SQL> CREATE OR REPLACE TYPE typ$nttb$1 IS TABLE OF emp%rowtype
2 ;
3 /
Warning: Type created with compilation errors.
SQL> show error
Errors for TYPE TYP$NTTB$1:
LINE/COL ERROR
-------- -----------------------------------------------------------------
0/0 PL/SQL: Compilation unit analysis terminated
1/29 PLS-00329: schema-level type has illegal reference to SCOTT.EMP
SQL>
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Nov 12, 2011
declare
cursor c is
select employee_id from employees;
type nst_type is table of employees.employee_id%type;
emp nst_type;
begin
open C;
loop
exit when C%notfound;
fetch c bulk collect into emp;
end loop;
close c;
end;
Above is the sample code, and now i want to pass 'emp' as an input parameter to the procedure.
How can I do that, as emp is of nst_type type and I do not know how my procedure will recognize the datatype...
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