1Z0-921 無料問題集「Oracle MySQL 2021 Implementation Essentials」

（A）The root password inserted in the error log set by the --log-error=[file_name] variable

（B）The root password is not given and is blank. You must manually set the root password.

（C）As root, execute the show password command by using the SHA-256 password encryption plug-in.

（D）The root password displayed on the screen via a [warning] message.

（E）The root_pw variable stored in the mysq1.install table.

（A）ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);

（B）ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);

（C）ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;

（D）ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;

（A）Any new lines can only be inserted at the end of the document.

（B）You cannot insert a single line, you have to replace the entire document with a new document.

（C）You specify the new element,s position in the JSON_ARRAY_INSERT statement.

（D）The path specified must be an array position past the end of an array using the JSON_POSITION statement.

（A）Both the tables, t1 and t2, are not created because there is an explicit ROLLBACK.

（B）Only the t2 table is created.

（C）Only the t1 table is created.

（D）Both the tables, t1 and t2, are created.

（A）Flash-archive recovery area

（B）Cloud storage only

（C）Both Cloud storage and local storage

（D）Cloud tape library

（A）Browser pop-ups

（B）SMS-notification tab on the dashboard

（C）Direct support call from an Oracle representative

（D）Application-to-application messaging

（E）Email

（A）GRANT PERMISSIONS

（B）GIVE ACCESS

（C）SET PRIVILEGES

（D）GRANT

（A）Use a firewall to control access to MySQL ports.

（B）Transmit plain (unencrypted) data over networks.

（C）Use the secure installation script "mysql_alays_secure_installation".

（D）Ensure that MySQL accounts have short and easy passwords.

（E）Grant only permissions that a user requires.

（F）Allow unauthorized clients to connect to the server.