Most Recent Oracle 1Z0-888 Exam Dumps

Prepare for the Oracle MySQL 5.7 Database Administrator exam with our extensive collection of questions and answers. These practice Q&A are updated according to the latest syllabus, providing you with the tools needed to review and test your knowledge.

QA4Exam focus on the latest syllabus and exam objectives, our practice Q&A are designed to help you identify key topics and solidify your understanding. By focusing on the core curriculum, These Questions & Answers helps you cover all the essential topics, ensuring you're well-prepared for every section of the exam. Each question comes with a detailed explanation, offering valuable insights and helping you to learn from your mistakes. Whether you're looking to assess your progress or dive deeper into complex topics, our updated Q&A will provide the support you need to confidently approach the Oracle 1Z0-888 exam and achieve success.

The questions for 1Z0-888 were last updated on Jul 22, 2026.

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Question No. 1

Which statement best describes the purpose of the InnoDB buffer pool?

AIt is amount of buffers available during a transaction.

BIt caches only the indexes for InnoDB tables.

CIt caches data and indexes for InnoDB tables.

DIt holds changes made during a transaction before they are written to the log.

EIt is a pool of memory for SQL query sort operations from within the InnoDB engine.
References:

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Correct Answer: C

Question No. 2

To satisfy a security requirement, you have created or altered some user accounts to include REQUIRE X509.

Which additional task needs to be performed for those user accounts to fulfill the requirement to use X509?

AInstall the X509 plug-in on the server.

BSet the X509 option in the [client] section of the MySQL server's configuration file.

CRestart the server with the --require-x509 option.

DDistribute client digital certificates to the client computers being used to log in by the user accounts.

EProvide users access to the server's private key.

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Correct Answer: B

Question No. 3

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.)

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

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

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

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

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

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Correct Answer: B, E

Question No. 4

Consider:

Which statement best describes the meaning of the value for the key_len column?

AIt shows how many bytes will be used from each index row.

BIt shows the number of characters indexed in the key.

CIt shows the total size of the index row.

DIt shows how many columns in the index are examined.

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Correct Answer: A

Question No. 5

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

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

ADate should be a TIMESTAMP field for better performance.

BThe User field is too long for most names.

CThe engine type is not appropriate to the application use.

DUsing default values for DATETIME causes table scans.

ENo indexes are defined.

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Correct Answer: C, E

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