Answer / mohapatra.gouranga@gmail.com

1. DELETE FROM table_name A WHERE ROWID > (SELECT min
(rowid) FROM table_name B WHERE A.key_values =
B.key_values);

2. can you disable and enable primary key?
Yes,
e.g., alter table EHIS.HIPARTRANSACTIONDETAILS DISABLE
constraint FK_HIPAR_TRANS

3. how do you move tables/indexes from one tablespace to
another tablespace?

ALTER TABLE <schemaname.tablename> MOVE TABLESPACE
<tablespace_name>;

alter index <owner.indexname> rebuild online tablespace
<target_tablespace_name>;

Answer / anil kumar prajapati

1. DELETE FROM
table_name A
WHERE
a.rowid >
ANY (
SELECT
B.rowid
FROM
table_name B
WHERE
A.col1 = B.col1
AND
A.col2 = B.col2
);
2.CREATE TABLE table_name
(
column1 datatype null/not null,
column2 datatype null/not null,
...

CONSTRAINT constraint_name PRIMARY KEY (column1, column2,
... column_n)
);
3.ALTER TABLE <TABLE NAME to be moved> MOVE TABLESPACE
<destination TABLESPACE NAME>

who owns the operating system files created by the utl_file package?

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1 Answers  

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