Wednesday, 9 September 2015

Pass4sure 1Z0-051 Question Answe

Evaluate the SQL statement:

TRUNCATE TABLE DEPT;

Which three are true about the SQL statement? (Choose three.)

 

A. It releases the storage space used by the table.
B. It does not release the storage space used by the table.
C. You can roll back the deletion of rows after the statement executes.
D. You can NOT roll back the deletion of rows after the statement executes.
E. An attempt to use DESCRIBE on the DEPT table after the TRUNCATE statement executes will display an error.
F. You must be the owner of the table or have DELETE ANY TABLE system privileges to truncate the DEPT table

Answer: A, D, F

 

 

Here is the structure and data of the CUST_TRANS table:
Exhibit:

 

 Dates are stored in the default date format dd-mm-rr in the CUST_TRANS table. Which three SQL statements would execute successfully? (Choose three.)

A. SELECT transdate + '10' FROM cust_trans;
B. SELECT * FROM cust_trans WHERE transdate = '01-01-07';
C. SELECT transamt FROM cust_trans WHERE custno > '11';
D. SELECT * FROM cust_trans WHERE transdate='01-JANUARY-07';
E. SELECT custno + 'A' FROM cust_trans WHERE transamt > 2000;


Answer: A, C, D

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