How to get the duplicate(exist) rows in Oracle?

Question

Good morning,
I want to write the query to find the duplicate rows in the table.
SELECT ITEM, MFT_ITEM, MFT, DESC FROM ITEM
In the item table,if MFT_ITEM is coming more than or equal to twice ,it is a duplicate rows.MFT_ITEM is a unique.
ITEM    MFT_ITEM   MFT              DESC
4647 4648 C6253 TOOLS
4647 4648 A0237 TOOLS
10PS 10PS A0027 KITS
10PS 11PS A0028 COVER
12LN 12LN A0034 NUTS
12LN 12LN A0035 NUTS
12LN 13LN A0036 SCREW
4310 4311 00462 POWER
4310 4311 31645 POWER
4310 4311 81205 POWER
I want the results like
ITEM    MFT_ITEM   MFT              DESC
4647 4648 C6253 TOOLS
4647 4648 A0237 TOOLS
12LN 12LN A0034 NUTS
12LN 12LN A0035 NUTS
4310 4311 00462 POWER
4310 4311 31645 POWER
4310 4311 81205 POWER
Please reply

Answer 1

Nicole Thanks for your advise,
I try the below query , I am getting 0 rows.
With t As
Select 4647 ITEM,4648 MFG_ITEM, 'C6253' MFG ,'Tools' Descrip From dual Union All
Select 4647 ,4648 , 'A0237' ,'Tools' From dual Union All
Select 1088 ,1088 , 'A0027' ,'Kits' From dual Union All
Select 1088 ,1188 , 'A0028' ,'Covers' From dual Union All
Select 1245 ,1245 , 'A0034' ,'Nuts' From dual Union All
Select 1245 ,1245 , 'A0035' ,'Nuts' From dual Union All
Select 1245 ,1345 , 'A0036' ,'Screw' From dual Union All
Select 4310 ,4313 , 'A0046' ,'Power' From dual Union All
Select 4310 ,4313 , 'A3164' ,'Power' From dual Union All
Select 4310 ,4313 , 'A0462' ,'Power' From dual
)Select ITEM, MFG_ITEM,MFG,DESCRIP From
Select ITEM, MFG_ITEM,MFG,DESCRIP,
Count(MFG_ITEM) over (Partition By ITEM Order By ITEM) cnt
From t
) Where cnt > 1;
I should get the results like below
ITEM     MFG_ITEM     MFG     DESCRIP
4647     4648     C6253     Tools
4647     4648     A0237     Tools
1245     1245     A0034     Nuts
1245     1245     A0035     Nuts
4310     4313     A0046     Power
4310     4313     A3164     Power
4310     4313     A0462     Power
Please reply