Oracle 1z0-883 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1z0-883
Exam Name/Title: MySQL 5.6 Database Administrator
Certification Provider: Oracle
Corresponding Certification: OCP

Exam Questions: 100
Updated On: Jul 08, 2026

Question #11

You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory.
Why is it important to remove snapshots after completing a RAW backup in this way?

A. The snapshots take a significant amount of disk space as they are a duplicate copy of the data.

B. The system can only support one snapshot per volume, and you need to remove it to be able to take your next backup.

C. The snapshot size will continue to grow as changes to the volume are made.

D. The system keeps a copy of changes in memory and can cause an out of memory event.

Discussion 0

Correct Answer: A Vote an answer

Question #12

When designing an InnoDB table, identify an advantage of using the BIT datatype Instead of one of the integer datatypes.

A. The BIT columns can be manipulated with the bitwise operators &, |, ~, ^, <<, and >>. The other integer types cannot.

B. Multiple BIT columns pack tightly into a row, using less space.

C. BIT columns are written by InnoDB at the head of the row, meaning they are always the first to be retrieved.

D. BIT (8) takes less space than eight TINYINT fields.

Discussion 0

Correct Answer: B Vote an answer

Question #13

Which two events will cause a slave server to create a new relay log file?

A. Execution of the FLUSH LOGS statement

B. Execution of FULSH TABLES WITH READ LOCK

C. Reaching the slave_pendign _jobs_size_max limit

D. Starting of the SQL thread

E. Starting of the I/O thread

Discussion 0

Correct Answer: A,E Vote an answer

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Question #14

Consider the Mysql Enterprise Audit plugin.
You are checking user accounts and attempt the following query:
Mysql> SELECT user, host, plugin FROM mysql.users;
ERROR 1146 (42S02): Table 'mysql.users' doesn't exist
Which subset of event attributes would indicate this error in the audit.log file?

A. NAME="Error"
STATUS="1146"
SQLTEXT="select user,host from users"/>

B. NAME="Error"
STATUS="0"
SQLTEXT="Error 1146 (42S02): Table 'mysql.users' doesn't exist"/>

C. NAME="Query"
STATUS="1146"
SQLTEXT=" Error 1146 (42S02): Table 'mysql.users' doesn't exist"/>

D. NAME="Query"
STATUS="1146"
SQLTEXT="select user,host from users"/>

E. NAME="Error"
STATUS="1146"
SQLTEXT="Error 1146 (42S02): Table 'mysql.users' doesn't exist"/>

Discussion 0

Correct Answer: D Vote an answer

Question #15

What are two methods of taking a binary backup of a Mysql Server using InnoDB storage engine?

A. File system snapshots

B. Mysqldumpslow

C. Mysqldump with - binary-data option

D. Mysql Enterprise Backup

E. Mysqlhotcopy

Discussion 0

Correct Answer: C,D Vote an answer

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Question #16

You need to replicate a table from a master to a slave. The master and slave copies of the table will have different number of columns.
Which two conditions must be true?

A. Columns that are common to both versions of the table must come first in the table definition, before any additional columns are additional columns are defined on either server.

B. Each extra column in the copy with more columns must not have a default value.

C. The slave database cannot have more columns than the master. Only the master database can have more columns.

D. The master database cannot have more columns than the slave. Only the slave deatbase can have more columns.

E. Columns that are common to both versions of the table must be defined in the same order on the master and the slave.

Discussion 0

Correct Answer: A,E Vote an answer

Question #17

Which query would you use to find connections that are in the same state for longer than 180 seconds?

A. SHOW FULL PROCESSLIST WHEER Time > 180;

B. SELECT * FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE STATE < (DATE_SUB (NOW ( ), INTERVAL 180 SECOND) );

C. SELECT * FROM INFORMATION_SCHEMA.PROCESSLIST WHERE TIME > 180;

D. SELECT * FROM INFORMATION_SCHEMA.EVENTS SHERE STARTS < (DATE_SUB (NOW ( ), INTERVAL 180 SECOND) );

Discussion 0

Correct Answer: C Vote an answer

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Question #18

You have a server that has very limited memory but has a very large table.
You will use mysqldump to back up this table.
Which option will ensure mysqldump will process a row at a time instead of buffering a set of rows?

A. -- tab

B. -- skip-buffer

C. -- single-transaction

D. -- quick

Discussion 0

Correct Answer: D Vote an answer

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Question #19

Which two requirements would lead towards a high availability solution?

A. When uptime is critical

B. When application is a single point of failure

C. When application concurrency is static

D. When data loss is unacceptable

E. When data must be refactored

Discussion 0

Correct Answer: A,B Vote an answer

Question #20

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?

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

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

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

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

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

Discussion 0

Correct Answer: B,E Vote an answer

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