You execute the following command toauditdatabase activities: SQL>AUDITDROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL; What is the effect of this command()
第1题:
You execute the following command to audit database activities: SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL; What is the effect of this command()
第2题:
You execute this command to drop the ITEM table, which has the primary key referred in the ORDERtable: SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE; Which two statements are true about the effect of the command()
第3题:
Examine the output of the query that you executed to list the objects in the recycle bin:You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin:SQL> PURGE TABLE sales_tab;What would be the outcome of this command?()
A. All three tables in the recycle bin are purged
B. Only the table with the oldest DROPSCN is purged
C. The command returns an error because multiple entries with the same name exist in the recycle bin
D. Only the table with the latest DROPSCN is purged
第4题:
You issued the following command to drop the PRODUCTS table: SQL> DROP TABLE products; What is the implication of this command?()
第5题:
You execute the following command to audit the database activities: SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL; What is the effect of this command?()
第6题:
The session of user SCOTT receives the following error after executing an UPDATE command onthe EMP table: ERROR at line 1: ORA-00060: deadlock detected while waiting for resource On investigation, you find that a session opened by user JIM has a transaction that caused the deadlock. two statements are true regarding the session of SCOTT in this scenario()
第7题:
Examine the following commands executed in your database: SQL> ALTER SESSION RECYCLEBIN=ON; Session altered SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees; Table created. Further, you executed the following command to drop the table: SQL> DROP TABLE emp; Table dropped. What happens in this scenario? ()
第8题:
You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?()
第9题:
You execute the following command in your Certkiller .com production database to change the width of the CUST_NAME column of the CUSTOMERS table: ALTER TABLE customers MODIFY (cust_nameVARCHAR2 (40)) / When you execute the command, it displays the following error message: ERROR at line 1: ORA-00054: resource busy and acquire with NOWAIT specified What could be the reason for the error message?()
第10题:
One of the users in the PROD database, Adams, complains that his update on the table, TRANS, is taking an unusually long time to complete. You find that the table gets locked by another database user before Adams starts his transactions, and you are unable to contact the user holding the table lock. As Adams is updating some crucial rows in the table, he should get the highest priority. Which method would you use to overcome this problem?()