You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace:
ALTER TABLE employees SHRINK SPACE CASCADE;
Which statement is correct in this scenario?（）
You discover that your Recycle Bin contains two tables with the same name, MY_TABLE. You also have a table named MY_TABLE in your schema.You execute the following statement:
FLASHBACK TABLE my_table TO BEFORE DROP RENAME TO my_table2;
What will be the result of executing this statement?（）
You have an SQL query that takes one minute to execute. You use the following code segment to execute the
SQL query asynchronously.
Dim ar As IAsyncResult = cmd.BeginExecuteReader()
You need to execute a method named DoWork() that takes one second to run while the SQL query is executing.
DoWork() must run as many times as possible while the SQL query is executing.
Which code segment should you use?（）
（） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
Your multitenant container database (CDB) is running in ARCHIVELOG mode. You connect to the CDB RMAN.
Examine the following command and its output:
You execute the following command:
RMAN > BACKUP DATABASE PLUS ARCHIVELOG;
Which data files will be backed up?（）
（） are individuals and organizations that are actively involved in the project, or whose interests may be affected as a result of project execution or project completion.
It is the ability to do the job ______ matters not where you come from or what you are.
On their arrival, you should ______the following points.
The following hints may help you stay energized, or at least ___________ until you can make the time for rest.
You plan to execute the following command to perform a Flashback Database operation in your database:
SQL> FLASHBACK DATABASE TO TIMESTAMP (SYSDATE -5/24);
Which two statements are true about this?（）
Consider the following statement on a RANGE partitioned table: ALTER TABLE orders DROP PARTITION p1, p3;
What is the outcome of executing the above statement?（）
You need to create a view EMP_VU. The view should allow the users to manipulate the records of only the employees that are working for departments 10 or 20.
Which SQL statement would you use to create the view EMP_VU?（）
You executed the following commands in a database session:
What could have caused the recycle bin to clean up?（）
Before a Flashback Table operation, you execute the following command:
ALTER TABLE employees ENABLE ROW MOVEMENT;
Why would you need this to be executed?（）
You opened the encryption wallet and then issued the following command:
Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column.
What is the outcome?（）
Examine the parameter for your database instance:
You generated the execution plan for the following query in the plan table and noticed that the nested loop join was done. After actual execution of the query, you notice that the hash join was done in the execution plan:
Identify the reason why the optimizer chose different execution plans.（）
You executed the following command to drop a user:
DROP USER scott CASCADE;
Which two statements regarding the above command are correct?（）
You executed the following SQL statement to shrink the EMPLOYEES table segment stored in the EXAMPLE tablespace:
ALTER TABLE employees SHRINK SPACE CASCADE;
Which statement is correct in this scenario?（）
免费的网站请分享给朋友吧