SQL & PL/SQL :: Difference Between Normal And Cluster Index On Table?
Aug 4, 2010Difference between Normal Index on Table and Cluster Index on Table?
View -1 RepliesDifference between Normal Index on Table and Cluster Index on Table?
View -1 Replieswhat is the difference between using a cursor and using a normal for/while loop to retrieve and process the result set.
View 3 Replies View Relatedthe difference in detail with an example.
View 5 Replies View RelatedCan we create non-cluster index on a clustered index?
View 5 Replies View Relatedwe have a strange symptom in a database Oracle 11.2.0.2 EE. Following question comes from our application developers.
The following SQL statement:
SELECT
v.reporting_month,
sum(v.f_s) "REV_S",
sum(v.f_f) "REV_F",
sum(v.f_c) "REV_C",
[code].......
gives different result when we exchange the index ksr_valid_until_i on table kreditkarten_sets_rs. For some reasons we changed the index from bitmap to normal and are getting different results. Switching back gives us the same results as before. When we avoid the usage of this index in the statement than we are getting the same results as when we are using the normal index.
What is the different between the new RAC feature - real application cluster and OPS... for me it sound the same..
View 3 Replies View Relatedindex types like cluster,bitmap,binary tree,functional. Specify the differences between these types
View 5 Replies View RelatedAny on give explanation for difference between Index and Clustered Index?
It will be great if i get explanation how memory allocation and Execution takes place.?
What is the difference between index rebuild and index rebuild online.
View 3 Replies View RelatedOracle 10g, Windows XP
There is an interface table and there is an normal transcational table..interface table is being compared with normal table and if match found the result is dumped into another normal table.
I am using two cursors one is to query the interface table and in a for loop pass the results to the second cursor..The interface table is having 5000 + rows and the transcation table is having more than 3.7 millions ..and the program is taking lots of time to execute..took almost 35-45 minutes..
create table x_interface /* INterface table */ -- 5000 + rows
( name varchar2(80), addr_line1 varchar2(35), addr_line2 varchar2(35), addr_line3 varchar2(35),
addr_line4 varchar2(35), addr_line5 varchar2(35), addr_line6 varchar2(35), suffix varchar2(35),
city varchar2(15), state varchar2(10), zcode varchar2(10))
[code]....
i'm new to oracle environment.how can i specify NONCLUSTERD INDEX on Primary cloumn during table creation.By default it will create clusterd index but i need non-clusterd index on it.
I'm using following stmt to create normal primary constarint during table creation,
CONSTRAINT PKFORM_PROPS PRIMARY KEY (FORM_PROPS_PK) USING INDEX TABLESPACE DB123_INDEX
how can i change the above query, so that it should create NONCLUSTERED INDEX on Primary key column.
Let's consider such table that all rows fit into single block:
SQL> create table test as select rownum id, '$'||rownum name from dual connect by level <= 530;
Table created.
SQL> create index i_test on test(id);
Index created.
SQL>
SQL> begin
[code].....
why does approach with full scan take longer even if table occupies only one data block? PS. 11gR2
I have a huge table (about 60 gb) partition over range. The index on this table is global index created on 4 columns together. I have a query which is running very slowly. The explain plan is showing the use of this global index.Explain plan is not showing pstart and pend because the index is global.
View 6 Replies View RelatedHow to force an index if the table not using the index?
View 10 Replies View RelatedI have one table called posh, which has about 50,000 ids (millions of rows) so far. It is currently at about 50 gb. So each series of rows for a particular id is about 1 mb.
CREATE CLUSTER posh_cluster (id int)
SIZE 2M
STORAGE (initial 2000K next 2000K)
PARALLEL 4;
CREATE INDEX posh_cluster_index ON CLUSTER posh_cluster;
[code].......
According to the Oracle documentation size is "the average cluster key size", I am not really sure what that means. Is this the 1mb in posh table space I am using for each series of rows for an id, or the space used for the index? Secondly, the storage parameter for 'CREATE CLUSTER' should be what?
I have table property and flat , in both of these tables I have cvp_id common colomn .Now I want to add cluster on this colomn so how can I add cluster to table which is already exists.
View 3 Replies View RelatedWe deleted millions of records from a table.
1.Is it necessary to reorganize a table and index after the deletion of records from table ? Because i see some change in table size after table and index reorganization.
2.Will re org table and index improve the database performance ?
I create table in session1:
create table marco_tmp_270511
as
select 5 as t from dual
Then I log in session2 and perform query to
select * from marco_tmp_270511 and receive 5 in column t.
Then I return to session1 and perform:
delete marco_tmp_270511;
insert into marco_tmp_270511
select 99 as t from dual ;
select * from marco_tmp_270511;
Then I go again to session2 and perform query to
select * from marco_tmp_270511
and still receive 5 in column t. How do I synchronize data between sessions?
when i am Executing the following statement
SELECT DISTINCT EXPOSURE_REF FROM KBNAS.VW_EXPOSUREDETS_FOR_CCYREVAL
WHERE EXPOSURE_CURRENCY='THB' AND BASE_TXN_CCY='USD' AND BRANCH_CODE='7000'
AND (REVAL_STATUS='O') AND CONV_RATE<>'62' AND (EXPOSURE_AMOUNT<>0)
UNION
SELECT DISTINCT ED.EXPOSURE_REF FROM KBNAS.EXPOSURE_DETAILS ED,
[code].....
I have attached DDL for table EXPOSURE_DETAIL(PARTITION),LEDGERCARD,LEDGERCARDDETAILS, DDL for INDEX on those tables and DDL for Views..
Issue: we have created the Indexes but when we check the explain plain .. full table scan is going on..I have attached the explain plan ..
We need to load data from index by table to table.Below code is working fine.
declare
query varchar2(200);
Type l_emp is TABLE OF emp%rowtype INDEX BY Binary_Integer;
rec_1 l_emp;
begin
[Code]....
But data from source table and target table is dynamic.Ex:In above code, emp(source) and target table is emp_b are static. But for our scenario is depends on the source table , target would change as below.If source is emp then target is emp_bIf source is emp1 then target is emp_b1 ............
create or replace procedure p(source in varchar2, target in varchar2)
as
query varchar2(200);
source varchar2(200);
Type l_emp is TABLE OF emp%rowtype INDEX BY Binary_Integer;
rec_1 l_emp;
[Code]....
Its throwing. How to implement this scenario .
I have two tables tab1 and tab2 with below data Now requirement is to find difference between two table with respect to column "serial_no" which exist only in table tab1 so as per below at serial_no 2 CC4 in tab1 but CC2 in tab2 so this is different how to dump out this data
TAB1
SQL> select * from tab1;
PARENT CHILD ROW_ID SERIAL_NO
-------------------- -------------------- ---------- ----------
P1 CC1 101 1
P1 CC4 104 2
P1 CC5 105 3
P1 CC2 102 4
P1 CC3 103 5
TAB2
SQL> select * from tab2;
PARENT CHILD PREVIOUS_ROWID ROW_ID NEXT_ROWID
-------------------- -------------------- -------------- ---------- ----------
P1 CC1 0 101 102
P1 CC2 101 102 103
P1 CC3 102 103 104
P1 CC4 103 104 105
P1 CC5 104 105 0
create table tab1(parent varchar2(20), child varchar2(20),row_id integer,serial_no integer);
insert into tab1 values('P1','CC1',101,1);
insert into tab1 values('P1','CC4',104,2);
insert into tab1 values('P1','CC5',105,3);
insert into tab1 values('P1','CC2',102,4);
insert into tab1 values('P1','CC3',103,5);
create table tab2(parent varchar2(20), child varchar2(20),previous_rowid integer,row_id integer,next_rowid integer);
insert into tab2 values('P1','CC1',0,101,102);
insert into tab2 values('P1','CC2',101,102,103);
insert into tab2 values('P1','CC3',102,103,104);
insert into tab2 values('P1','CC4',103,104,105);
insert into tab2 values('P1','CC5',104,105,0);
through Difference between table Level, column Level ,row level constraints.
View 8 Replies View RelatedWhat is different between move table and shrink table?
View 2 Replies View RelatedHow can I compare two rows from the same table and show the field and the difference?
Example:
select ename, job, mgr, hiredate, sal, deptno
from EMP t
where t.empno = 7782
or t.empno = 7788
ENAME JOB MGR HIREDATE SAL DEPTNO
1 CLARK MANAGER 7839 6/9/1981 2450.00 10
2 SCOTT ANALYST 7566 6/9/1981 3000.00 20
My report comparing fields should be:
FIELD BASE COMPARE DIFFERENCE
ENAME CLARK SCOTT --
JOB MANAGER ANALYST --
MGR 7839 7566 --
SAL 2450 3000 550 --(Show difference only for numbers)
DEPTNO 10 20 --
What is the difference between CREATE EXTERNAL TABLE Vs CREATE TABLE .?
Is CREATE EXTERNAL TABLE included in CREATE TABLE?
Static Tables Creation In oracle & Diff Between Static table ,Dynamic table
View 2 Replies View RelatedConvert normal subquery into join.
View 8 Replies View RelatedFind the date difference. I need to find that how many days the task is pending, if ACT_NAME field switching from 'SET PENDING%' to 'RESUME PENDING%' by using ACTIONTAKENDATETEXT field in the History table.
Example as needed:
NoPendingDays = 23 (8+15)
I have attached Create table and Insert table values sample as SQL file.
Am pasting the sample code here, which i got from some site..
DECLARE
TYPE population_type IS TABLE OF NUMBER INDEX BY VARCHAR2(64);
country_population population_type;
continent_population population_type;
howmany NUMBER;
[code]...
Here we are fetching indexes (like Antartica/Australia) from these two statements continent_population.FIRST or continent_population.LAST. If there are three or more indexes in the same table, how to fetch all of them?
I have tried using this, but doesnt work because loop variables are by default integers:
for i in continent_population.FIRST .. continent_population.LAST loop
dbms_output.put_line('i:'||i);
end loop;
I'm trying to create bold and normal text in the same paragraph with the library PL/PDF, but I can't. This is a small example:, this is an example to the library PL/SQL, adding text in bold and normal text." This text should be justified on the margins I can set.
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