Q18. In one of your databases, the user HR has the password HRMGR
You want to connect to a database instance whose listener listens on port 1531 by using this statement:
CONNECT HR/HRMGR@orcl
No name server is used.
Which statement is true about ORCL?
- (A). It must be the value of the SERVICE_NAMES parameter on the client side
- (B). It must resolve to a valid connect descriptor in the server’s tnsnames.ora file
- (C). It must resolve to a valid connect descriptor in the client’s tnsnames.ora file
- (D). It must be the name of the database to whose instance HR wishes to connect
- (E). It must be the name of the server running the database to whose instance HR wishes to connect
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