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What is the difference between DELETE, TRUNCATE, and DROP?

Answers were Sorted based on User's Feedback



What is the difference between DELETE, TRUNCATE, and DROP?..

Answer / nashiinformaticssolutions

• DELETE:
o Deletes specific rows from a table.
o Can have a WHERE clause.
o DML command (can be rolled back).
• TRUNCATE:
o Deletes all rows from a table.
o Faster than DELETE (does not log individual row deletions).
o DDL command (cannot be rolled back).
• DROP:
o Removes a table entirely (schema + data).
o DDL command.

Is This Answer Correct ?    0 Yes 0 No

What is the difference between DELETE, TRUNCATE, and DROP?..

Answer / glibwaresoftsolutions

• DELETE:
o Deletes specific rows from a table.
o Can have a WHERE clause.
o DML command (can be rolled back).
• TRUNCATE:
o Deletes all rows from a table.
o Faster than DELETE (does not log individual row deletions).
o DDL command (cannot be rolled back).
• DROP:
o Removes a table entirely (schema + data).
o DDL command.

Is This Answer Correct ?    0 Yes 0 No

What is the difference between DELETE, TRUNCATE, and DROP?..

Answer / hr@tgksolutions.com

• DELETE:
o Deletes specific rows from a table.
o Can have a WHERE clause.
o DML command (can be rolled back).
• TRUNCATE:
o Deletes all rows from a table.
o Faster than DELETE (does not log individual row deletions).
o DDL command (cannot be rolled back).
• DROP:
o Removes a table entirely (schema + data).
o DDL command.

Is This Answer Correct ?    0 Yes 0 No

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Dear All, Question for this Week Find out possible error(s) (either at compile time or at runtime) in the following PL/SQL block. State the reason(s) and correct the errors. Declare Cursor C1 is select ename, sal, comm from emp; Begin For i in C1 Loop If i.comm between 299 and 999 then Dbms_output.put_line(i.Ename || ‘ ** Good Commission’); Elsif i.comm > 999 then Dbms_output.put_line(i.Empno || ‘ ** Very Good Commission’); close C1; Else Dbms_output.put_line(i.Ename || ‘ ** ’ ||nvl(i.comm,‘O’)); End if; End Loop; End;

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