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Oracle OCP 1Z0 053 Q500

原创 Oracle 作者:abstractcyj 时间:2016-03-31 18:45:15 0 删除 编辑
500.You opened the encryption wallet and then issued the following command:
SQL>CREATE TABLESPACE securespace
DATAFILE '/home/user/oradata/secure01.dbf'
SIZE 150M
ENCRYPTION USING '3DES168'
DEFAULT STORAGE(ENCRYPT);
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?
A. It creates the table and encrypts the data in it.
B. It generates an error because the wallet is closed.
C. It creates the table but does not encrypt the data in it.
D. It generates an error because the NO SALT option cannot be used with the ENCRYPT option.
Answer: B

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曾从事java方向开发多年。近年已经转入数据库方向。主要擅长SQL优化,Oracle数据库问题诊断,Oracle备份与恢复等。服务于医药物流,医院等行业

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