최신Oracle MySQL 2021 Implementation Essentials - 1Z0-921무료샘플문제

A.

B.

C.

D.

A. They allow administrators access to applications in the cloud and external servers.

B. They are user-role designations that assign rights to certain internal users and external users.

C. They contain rules established by HIPAA for securing end-user data.

D. Security lists are data encryption levels that control who can see the data.

E. They are essentially firewall rules that help control traffic between OCI instances.

A. an index on the foreign key

B. a TRIGGER on the child table for cascading delete statements

C. unique PRIMARY key values for both child and parent tables

D. a REFERENCES in the child table to the parent table

E. the SET_FOREGIN variable in the my .cnf file

A. The root user

B. The opc user

C. SSH private key

D. Public IP address

E. User Password

F. SSH public key

A. Key or array references enable quick read-access to look up document elements directly.

B. A set of SQL functions substantially support the SQL utilization of the data type.

C. It validates the JSON syntax on insert or merge.

D. Comparisons of JSON values are not case-sensitive.

E. It supports indexing directly against the JSON-defined column.

F. It is based on the TEXT data type.

A. SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;

B. SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;

C. SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;

D. SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;

A.

B.

C.

D.

E.

A. SET GLOBAL force_password_complex_policy=0;

B. Add validate_password=,new level, in the [security] section of the MySQL configuration file.

C. Add validate_password_policy=,new level, in the [mysqld] section of the MySQL configuration file.

D. SET GLOBAL validate_password_policy=,new level,;