Finding count of duplicates in a table
Hi All,
I want to know the count of duplicate rows in a table ? below is a sample for your reference.
DB is oracle 10G 10.2.0.1
col A col B col C col D
1 2 3 null
1 2 3 null
3 4 5 null
3 4 5 null
haI
i THIK THIS WILL HELPFULL TO U
sample data:
EMPNO YEAR
101 2000
101 2000
102 2000
102 2000
103 2001
104 2000
104 2000
102 2000
8 rows selected
SELECT count(*)
FROM ch
WHERE rowid NOT IN
(SELECT rowid FROM ch WHERE rowid IN (SELECT MAX(rowid) FROM ch GROUP BY empno,YEAR))
OUTPUT:
COUNT(*)
4
RESULT IS THE COUNT OF DUPLECATE ROWS IN THT Table
Regards,
Ash
Edited by: Ashok on Aug 30, 2010 4:30 PM
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Find duplicates from different tables
I need to write a sql query to find out in which table
holds the duplicate data.
Duplicate : AAA company should be present(mapped) only once with XXX Partner. If it is repeated then would be considered
as duplicate
Please help in writing this query
Table A
Table B
Table C
company Partners company Partners
company Partners
AAA XXX AAA
XXX
AAA XXX
BBB YYY BBB
YYY
BBB YYY
AAA XXXX (duplicate Data)
Expected o/p :
table A contains duplicate data , or Table B contains Duplicate Data ETc...Chelseasadhu, I do not think AAA is duplicating as the partners are different XXX and XXXX.
Could you please clarify how are you finding its a duplicate value? Just the Company duplicate is your criteria?
You may try something below:
create Table TableA(Company varchar(100), Partners varchar(100))
Insert into TableA Select 'AAA','XXX'
Insert into TableA Select 'BBB','XXX'
Insert into TableA Select 'AAA','XXXX'
create Table TableB(Company varchar(100), Partners varchar(100))
Insert into TableB Select 'AAA','XXX'
Insert into TableB Select 'BBB','XXX'
--Insert into TableB Select 'BBB','XXXCC'
create Table TableC(Company varchar(100), Partners varchar(100))
Insert into TableC Select 'AAA','XXX'
Insert into TableC Select 'BBB','XXX'
Declare @DuplicateTableA int =0,@DuplicateTableB int=0,@DuplicateTableC int=0
Set @DuplicateTableA=(Select Case when exists(Select COUNT(1) From TableA Group by Company having COUNT(1)>1) then 1 else 0 end)
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Set @DuplicateTableC=(Select Case when exists(Select COUNT(1) From TableC Group by Company having COUNT(1)>1) then 1 else 0 end)
/* Once you have the existence info, its easy for you to do the display at your application layer*/
Declare @DisplayText Varchar(MAX) =''
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Set @DisplayText = @DisplayText+(Select Case when Len(@DisplayText)=0 then '' else ' ' End + Case when @DuplicateTableC = 1 then 'TableC contains duplicate data' else '' end)
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hi,
how to find the duplicates in the table in the below example
Id Empfirstname Empfirstlastname empdesig
1 Xyz Abc Software Engg
2 Xyz Abc Software Engg
3 Kkk Ddd Architect
need query to display
1 Xyz Abc Software Engg
2 Xyz Abc Software Engg
duplicate recordsIn addition:
You might want to think about the 'upper-/lowercase-thing' and still being/being not duplicate in these cases.
If so, then spot the difference:
MHO%xe> select * from
2 (
3 with all_your_data_are_belong_to_us -- generate some data on the fly here
4 as (
5 select 1 Id, 'Xyz' empfirstname, 'Abc' emplastname, 'Software Eng' empdesig from dual uni
on all
6 select 2, 'Xyz', 'Abc', 'Software Eng' from dual union all
7 select 3, 'aaa', 'AAA', 'Fairy' from dual union all
8 select 4, 'AAA', 'aaa', 'Fairy' from dual union all
9 select 5, 'Zlad', 'Molvania', 'Electrician' from dual union all
10 select 6, 'Kkk', 'Ddd', 'Architect' from dual
11 )
12 select id
13 , empfirstname
14 , emplastname
15 , empdesig
16 , count(*) over ( partition by upper(empfirstname), upper(emplastname), upper(empdesig)
17 order by 'geronimo' ) rn
18 from all_your_data_are_belong_to_us --<< this could be YOUR table name, if so, omit the with-clause! ;-)
19 )
20 where rn > 1;
ID EMPF EMPLASTN EMPDESIG RN
3 aaa AAA Fairy 2
4 AAA aaa Fairy 2
2 Xyz Abc Software Eng 2
1 Xyz Abc Software Eng 2
Verstreken: 00:00:00.68
MHO%xe> select * from
2 (
3 with all_your_data_are_belong_to_us -- generate some data on the fly here
4 as (
5 select 1 Id, 'Xyz' empfirstname, 'Abc' emplastname, 'Software Eng' empdesig from dual uni
on all
6 select 2, 'Xyz', 'Abc', 'Software Eng' from dual union all
7 select 3, 'aaa', 'AAA', 'Fairy' from dual union all
8 select 4, 'AAA', 'aaa', 'Fairy' from dual union all
9 select 5, 'Zlad', 'Molvania', 'Electrician' from dual union all
10 select 6, 'Kkk', 'Ddd', 'Architect' from dual
11 )
12 select id
13 , empfirstname
14 , emplastname
15 , empdesig
16 , count(*) over ( partition by empfirstname, emplastname, empdesig
17 order by 'geronimo' ) rn
18 from all_your_data_are_belong_to_us --<< this could be YOUR table name, if so, omit the with-clause! ;-)
19 )
20 where rn > 1;
ID EMPF EMPLASTN EMPDESIG RN
1 Xyz Abc Software Eng 2
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I am using this query
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Also I need to find out another query where in I can find out which table is giving a particular record. e.g table1 has firstname,lastname and table2 has firstman,lastman. I need to know that firstname has come from tabl1 and firstman has come from table2.
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ThanksWell, if I'm not misstaken the difference between
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How to find the level of each child table in a relational model?
Earthlings,
I need your help and I know that, 'yes, we can change'. Change this thread to a answered question.
So: How to find the level of each child table in a relational model?
I have a relacional database (9.2), all right?!
O /* This is a child who makes N references to each of the follow N parent tables (here: three), and so on. */
/↑\ Fks
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/↑\ Fks
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child.r_constraint_name pk,
father.table_name father
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and father.table_name = aux.father;Thinking...
Let's Share!
My thanks in advance,
Philips
Edited by: BluShadow on 01-Apr-2011 15:08
formatted the code and the hierarchy for readbilityJustin,
Understood.
Nocycle not work in 9.2 and, even that would work, would not be appropriate.
With your help, I decided a much simpler way (but there is still a small problem, <font color=red>IN RED</font>):
-- 1
declare
type udt_roles is table of varchar2(30) index by pls_integer;
cRoles udt_roles;
begin
execute immediate 'create user philips
identified by philips';
select granted_role bulk collect
into cRoles
from user_role_privs
where username = user;
for i in cRoles.first .. cRoles.count loop
execute immediate 'grant ' || cRoles(i) || ' to philips';
end loop;
end;
-- 2
create table philips.root1(root1_id number,
constraint root1_id_pk primary key(root1_id)
enable);
grant all on philips.root1 to philips;
create or replace trigger philips.tgr_root1
before delete or insert or update on philips.root1
begin
null;
end;
create table philips.root2(root2_id number,
constraint root2_id_pk primary key(root2_id)
enable);
grant all on philips.root2 to philips;
create or replace trigger philips.tgr_root2
before delete or insert or update on philips.root2
begin
null;
end;
create table philips.node1(node1_id number,
root1_id number,
node2_id number,
node4_id number,
constraint node1_id_pk primary key(node1_id)
enable,
constraint n1_r1_id_fk foreign key(root1_id)
references philips.root1(root1_id) enable,
constraint n1_n2_id_fk foreign key(node2_id)
references philips.node2(node2_id) enable,
constraint n1_n4_id_fk foreign key(node4_id)
references philips.node4(node4_id) enable);
grant all on philips.node1 to philips;
create or replace trigger philips.tgr_node1
before delete or insert or update on philips.node1
begin
null;
end;
create table philips.node2(node2_id number,
root1_id number,
node3_id number,
constraint node2_id_pk primary key(node2_id)
enable,
constraint n2_r1_id_fk foreign key(root1_id)
references philips.root1(root1_id) enable,
constraint n2_n3_id_fk foreign key(node3_id)
references philips.node3(node3_id) enable);
grant all on philips.node2 to philips;
create or replace trigger philips.tgr_node2
before delete or insert or update on philips.node2
begin
null;
end;
create table philips.node3(node3_id number,
root2_id number,
constraint node3_id_pk primary key(node3_id)
enable,
constraint n3_r2_id_fk foreign key(root2_id)
references philips.root2(root2_id) enable);
grant all on philips.node3 to philips;
create or replace trigger philips.tgr_node3
before delete or insert or update on philips.node3
begin
null;
end;
create table philips.node4(node4_id number,
node2_id number,
constraint node4_id_pk primary key(node4_id)
enable,
constraint n4_n2_id_fk foreign key(node2_id)
references philips.node2(node2_id) enable);
grant all on philips.node4 to philips;
create or replace trigger philips.tgr_node4
before delete or insert or update on philips.node4
begin
null;
end;
-- out of the relational model
create table philips.node5(node5_id number,
constraint node5_id_pk primary key(node5_id)
enable);
grant all on philips.node5 to philips;
create or replace trigger philips.tgr_node5
before delete or insert or update on philips.node5
begin
null;
end;
-- 3
create table philips.dictionary(table_name varchar2(30));
insert into philips.dictionary values ('ROOT1');
insert into philips.dictionary values ('ROOT2');
insert into philips.dictionary values ('NODE1');
insert into philips.dictionary values ('NODE2');
insert into philips.dictionary values ('NODE3');
insert into philips.dictionary values ('NODE4');
insert into philips.dictionary values ('NODE5');
--4
create or replace package body philips.pck_restore_philips as
procedure sp_select_tables is
aExportTablesPhilips utl_file.file_type := null; -- file to write DDL of tables
aExportReferencesPhilips utl_file.file_type := null; -- file to write DDL of references
aExportIndexesPhilips utl_file.file_type := null; -- file to write DDL of indexes
aExportGrantsPhilips utl_file.file_type := null; -- file to write DDL of grants
aExportTriggersPhilips utl_file.file_type := null; -- file to write DDL of triggers
sDirectory varchar2(100) := '/app/oracle/admin/tace/utlfile'; -- directory \\bmduhom01or02
cTables udt_tables; -- collection to store table names for the relational depth
begin
-- omits all referential constraints:
dbms_metadata.set_transform_param(dbms_metadata.session_transform, 'REF_CONSTRAINTS', false);
-- omits segment attributes (physical attributes, storage attributes, tablespace, logging):
dbms_metadata.set_transform_param(dbms_metadata.session_transform, 'SEGMENT_ATTRIBUTES', false);
-- append a SQL terminator (; or /) to each DDL statement:
dbms_metadata.set_transform_param(dbms_metadata.session_transform, 'SQLTERMINATOR', true);
-- create/open files for export DDL:
aExportTablesPhilips := utl_file.fopen(sDirectory, 'DDLTablesPhilips.pdc', 'w', 32767);
aExportReferencesPhilips := utl_file.fopen(sDirectory, 'DDLReferencesPhilips.pdc', 'w', 32767);
aExportIndexesPhilips := utl_file.fopen(sDirectory, 'DDLIndexesPhilips.pdc', 'w', 32767);
aExportGrantsPhilips := utl_file.fopen(sDirectory, 'DDLGrantsPhilips.pdc', 'w', 32767);
aExportTriggersPhilips := utl_file.fopen(sDirectory, 'DDLTriggersPhilips.pdc', 'w', 32767);
select d.table_name bulk collect
into cTables -- collection with the names of tables in the schema philips
from all_tables t, philips.dictionary d
where owner = 'PHILIPS'
and t.table_name = d.table_name;
-- execution
sp_seeks_ddl(aExportTablesPhilips,
aExportReferencesPhilips,
aExportIndexesPhilips,
aExportGrantsPhilips,
aExportTriggersPhilips,
cTables);
-- closes all files
utl_file.fclose_all;
end sp_select_tables;
procedure sp_seeks_ddl(aExportTablesPhilips in utl_file.file_type,
aExportReferencesPhilips in utl_file.file_type,
aExportIndexesPhilips in utl_file.file_type,
aExportGrantsPhilips in utl_file.file_type,
aExportTriggersPhilips in utl_file.file_type,
cTables in out nocopy udt_tables) is
cDDL clob := null; -- colletion to save DDL
plIndex pls_integer := null;
sTableName varchar(30) := null;
begin
for i in cTables.first .. cTables.count loop
plIndex := i;
sTableName := cTables(plIndex);
* Retrieves the DDL and the dependent DDL into cDDL clob *
* for the selected table in the collection, and writes to file.*
begin
cDDL := dbms_metadata.get_ddl('TABLE', sTableName, 'PHILIPS');
sp_writes_ddl(aExportTablesPHILIPS, cDDL);
exception
when dbms_metadata.object_not_found then
null;
end;
begin
cDDL := dbms_metadata.get_dependent_ddl('REF_CONSTRAINT', sTableName, 'PHILIPS');
sp_writes_ddl(aExportReferencesPhilips, cDDL);
exception
when dbms_metadata.object_not_found2 then
null;
end;
begin
cDDL := dbms_metadata.get_dependent_ddl('INDEX', sTableName, 'PHILIPS');
sp_writes_ddl(aExportIndexesPhilips, cDDL);
exception
when dbms_metadata.object_not_found2 then
null;
end;
begin
cDDL := dbms_metadata.get_dependent_ddl('OBJECT_GRANT', sTableName, 'PHILIPS');
sp_writes_ddl(aExportGrantsPhilips, cDDL);
exception
when dbms_metadata.object_not_found2 then
null;
end;
begin
cDDL := dbms_metadata.get_dependent_ddl('TRIGGER', sTableName, 'PHILIPS');
sp_writes_ddl(aExportTriggersPhilips, cDDL);
exception
when dbms_metadata.object_not_found2 then
null;
end;
end loop;
end sp_seeks_ddl;
procedure sp_writes_ddl(aExport in utl_file.file_type,
cDDL in out nocopy clob) is
pLengthDDL pls_integer := length(cDDL);
plQuotient pls_integer := null;
plRemainder pls_integer := null;
begin
* Register variables to control the amount of lines needed *
* for each DDL and the remaining characters to the last row. *
select trunc(pLengthDDL / 32766), mod(pLengthDDL, 32766)
into plQuotient, plRemainder
from dual;
* Join DDL in the export file. *
* ps. 32766 characters + 1 character for each line break. *
-- if the size of the DDL is greater than or equal to limit the line ...
if plQuotient >= 1 then
-- loops for substring (lines of 32766 characters + 1 break character):
for i in 1 .. plQuotient loop
utl_file.put_line(aExport, substr(cDDL, 1, 32766));
-- removes the last line, of clob, recorded in the buffer:
cDDL := substr(cDDL, 32767, length(cDDL) - 32766);
end loop;
end if;
* If any remains or the number of characters is less than the threshold (quotient = 0), *
* no need to substring. *
if plRemainder > 0 then
utl_file.put_line(aExport, cDDL);
end if;
-- record DDL buffered in the export file:
utl_file.fflush(aExport);
end sp_writes_ddl;
begin
-- executes main procedure:
sp_select_tables;
end pck_restore_philips;<font color="red">The problem is that I still have ...
When creating the primary key index is created and this is repeated in the file indexes.
How to avoid?</font> -
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' :6 := '||p_process_name||'.get_status; '||
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Getting duplicates in w_psft_payroll_f_tmp table
Hi All,
I am trying to run SDE payroll mappings.SDE_PSFT_Payrollfact session failed due to duplicates in the table.When I looked at source tables I found that w_psft_payroll_f_tmp table as duplicates whch is coming from SDE_PSFT_PayrollFact_Earnings mapping.When I run the source qualifier query from this mapping I am getting like 30000 rows as result but when it is getting loaded into the target table w_psft_payroll_f_tmp table the row count is doubled to 60000.Can anybody tell me how can I approcah to resolve this issue as we didnt make any changes to out of the box mapping .
Any help would be really appreciated.
Thanks in Advance!!Chk the query that is populating W_GL_COGS_F and execute it in database and see. If it does not return any records then chk the reason for that. Also check the log file of the task that populates this table and see row counts it inserted. Chk any other task ran after this and truncated this table.
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I now have iTunes ver 11.0.4.4 under Windows 7. I lost all iTunes stuff when updating to Windows 7. I have loaded thousands amd thousands of music files from backup disks, but there are many duplicates. I am attemping to re-establish my old library. I used to be able to remove duplicates quickly with the old iTunes. The new iTunes doesn't seem to offer the same service. Is there any way to remove duplicates quickly, or must I do it one by one?
When deduping use Shift > View > Show Exact Duplicate Items as this is normally a more useful selection. You need to manually select all but one of each group to remove. Sorting the list by Date Added may make it easier to select the appropriate tracks. If you have multiple entries in iTunes connected to the same file on the hard drive then don't send to the recycle bin. Use my DeDuper script if you're not sure, don't want to do it by hand, or want to preserve ratings, play counts and playlist membership. See this thread for background and please take note of the warning to backup your library before deduping.
(If you don't see the menu bar press ALT to show it temporarily or CTRL+B to keep it displayed)
See also HT2905: How to find and remove duplicate items in your iTunes library
tt2 -
The biggest count of rows of sys tables
Hii ??
I want to learn how can I find the biggest count of rows of sys tables or
which table has around 900000 records on sys user database oracle 10g??Hello;
What purpose would knowing the row count in tables owned by SYS serve ? The query below will give you a fair idea of row counts in tables owned by SYS assuming that statistics have been recently gathered for these tablesselect table_name,num_rows from dba_tables where owner='SYS';Varad -
Finding the column names from a table.
I am on 10g
I would like to find out the columns of a table where there are null columns in a table.....this table contains about 300 + columns where i do not want to put where condition for all the columns
is there a way i can write a sql to find?
for a given table or the results set that i need to get, i will have same results for all the rows, so it
cant be like col1 is null on row1, but col2 is not null on row2 ...they are all identical....
example table, but it has 300 + cols
F_IND H_IND P_IND DMA_IND
N N
N N
N N
N N Thanksselect count(col1), count(col2), count(col3), ...
from your table;
The results with 0s are null throughout the table (or the table has no rows). -
HT2905 how do i find and remove duplicate songs in itunes 11.1.3?
i transferred my itunes to a new computer today, and somehow half of my library was duplicated. no i cant seem to find a way to get rid of the duplicates without selecting them one at a time. any ideas?
Apple's official advice on duplicates is here... HT2905: How to find and remove duplicate items in your iTunes library. It is a manual process and the article fails to explain some of the potential pitfalls.
Use Shift > View > Show Exact Duplicate Items to display duplicates as this is normally a more useful selection. You need to manually select all but one of each group to remove. Sorting the list by Date Added may make it easier to select the appropriate tracks, however this works best when performed immediately after the dupes have been created. If you have multiple entries in iTunes connected to the same file on the hard drive then don't send to the recycle bin.
Use my DeDuper script if you're not sure, don't want to do it by hand, or want to preserve ratings, play counts and playlist membership. See this thread for background and please take note of the warning to backup your library before deduping.
(If you don't see the menu bar press ALT to show it temporarily or CTRL+B to keep it displayed)
Alternativey see this migrate iTunes library post, you may want to revisit the transfer method.
tt2
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