1z0-071 Oracle Database 12c SQL 第50题 SQL statements

Q50.  Which two tasks can be performed by using Oracle SQL statements?
A. changing the password for an existing database user
B. connecting to a database instance
C. querying data from tables across databases
D. starting up a database instance

E. executing operating system (OS) commands in a session

Correct Answer: AC
Explanation/Reference:
References:
http://www.techonthenet.com/oracle/password.php
https://docs.oracle.com/cd/B28359_01/server.111/b28324/tdpii_distdbs.htm

猜你喜欢

转载自blog.csdn.net/u013012406/article/details/80779604