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Oracle Updated 1z0-888 Exam Questions and Answers by ruqayyah

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Oracle 1z0-888 Exam Overview :

Exam Name: MySQL 5.7 Database Administrator
Exam Code: 1z0-888 Dumps
Vendor: Oracle Certification: MySQL Database Administration
Questions: 124 Q&A's Shared By: ruqayyah
Question 16

You want to create a temporary table named OLD_INVENTORY in the OLD_INVENTORY database on the master server. This table is not to be replicated to the slave server.

Which two changes would ensure that the temporary table does not propagate to the slave? (Choose two.)

Options:

A.

Set binlog_format=MIXED with the --replicate-ignore-temp-table option.

B.

Use the --replicate-do-db, --replicate-do-table, or --replicate-wild-do-table option with the value equal to OLD_INVENTORY.

C.

Change the binlog_format option to ROW and restart mysqld before you create the OLD_INVENTORY table.

D.

Stop SQL_THREAD on the slave until you have finished using the OLD_INVENTORY temporary table.

E.

Use the --replicate-ignore-table option with the value equal to OLD_INVENTORY.OLD_INVENTORY and restart mysqld before creating the temporary table.

Discussion
Question 17

Which two are considered good security practices when using passwords? (Choose two.)

Options:

A.

Use one-way encryption for storage of passwords.

B.

Store passwords external to the database.

C.

Choose short passwords to save on storage space.

D.

Use simple keyboard actions that give mixed letters.

E.

Do not use dictionary-based words.

Discussion
Question 18

After analysis on the slow query log on a high-end OLTP service, the table identified in the slow queries is:

Questions 18

What are the two most likely reasons for the slowness given this output? (Choose two.)

Options:

A.

Date should be a TIMESTAMP field for better performance.

B.

The User field is too long for most names.

C.

The engine type is not appropriate to the application use.

D.

Using default values for DATETIME causes table scans.

E.

No indexes are defined.

Discussion
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