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Vendor: Oracle
Exam Code: 1Z0-082
Exam Name: Oracle Database Administration I
Certification: Oracle Certifications
Total Questions: 162 Q&A ( View Details)
Updated on: Jan 11, 2025
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Which three statements are true about the DESCRIBE command? (Choose three.)
A. It displays the PRIMARY KEY constraint for any column or columns that have that constraint
B. It can be used from SQL Developer
C. It displays the NOT NULL constraint for any columns that have that constraint
D. It can be used to display the structure of an existing view
E. It displays all constraints that are defined for each column
F. It can be used only from SQL*Plus
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1.
The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains:
Which statement is true?
A. Dynamic service registration cannot be used for this database instance
B. The LREG process registers services dynamically with the LISTENER_1 listener
C. LISTENER_1 must also be defined in the LISTENER.ORA file to enable dynamic service registration
D. There are two listeners named LISTENER and LISTENER_1 running simultaneously using port 1521 on the same host as the database instances
E. The definition for LISTENER_1 requires a CONNECT_DATA section to enable dynamic service registration
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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