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Oracle MySQL 2021 Implementation Essentials Sample Questions:

1. Which statement adds a column with the largest integer data type?

A) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(10,10);
B) ALTER TABLE SCIENTIFIC ADD scientific_value BIGINT;
C) ALTER TABLE SCIENTIFIC ADD scientific_value INTEGER;
D) ALTER TABLE SCIENTIFIC ADD scientific_value DECIMAL(15,10);

2. You get a maintenance-notification about your MySQL Enterprise Edition in Oracle Cloud Infrastructure (OCI) Compute instance. What is re the implication?

A) You can expect an outage of your MySQL OCI instance during the planned time..
B) Depending on the planned outage, you may not be affected by it. You need to read the maintenance details in the support notice.
C) There are no maintenance operations planned. You need to do them manually.
D) You need to agree to the maintenance windows. If not, you are not affected by the outage.

3. You set up a compressed full backup file from mysqlbackup by using the --compress option for MySQL Database backup. You are required to restore the database and apply the log.
Which two options should you add to the mysqlbackup to achieve the restoration of the database?

A) --copy-back-and-apply-log
B) --apply-log-and-copy-back
C) --uncompress-and-apply-log
D) --decompress
E) --uncompress

4. Which query will find rows in a table that have no counterpart in another table?

A) SELECT t1.name, t2.name2FROM employee AS t1 INNER JOIN info AS t2 ON t1.name= t2.name2;
B) SELECT left_tbl.*FROM left_tbl LEFT JOIN right_tbl ON left_tbl.id=right_tbl.idWHERE right_tbl.id IS NULL;
C) SELECT *FROM table1 INNER JOIN table2 ON table1.id=table2.id WHERE table1.id=! table2.id;
D) SELECT t1.name, t2.name2FROM employee t1 INNER JOIN info t2 WHERE t1.name=t2.name;

5. Which features of MySQL Enterprise Edition should you use to proactively monitor and track data changes in your databases?

A) SQL Enterprise Monitor and MySQL Enterprise Authentication
B) MySQL Workbench and MySQL Enterprise Firewall
C) MySQL Audit and MySQL Workbench
D) MySQL Enterprise Monitor and MySQL Audit

Solutions: