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Oracle MySQL 1Z0-888 Oracle Exam Questions PowerPoint Presentation
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Oracle MySQL 1Z0-888 Oracle Exam Questions

Oracle MySQL 1Z0-888 Oracle Exam Questions

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Oracle MySQL 1Z0-888 Oracle Exam Questions

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  1. Questions & Answers PDF Page 1 Oracle 1Z0-888 Exam MySQL 5.7 Database Administrator Exam Thank you for Downloading 1Z0-888 exam PDF Demo You can also try our 1Z0-888 practice exam software Download Free Demo:

  2. Questions & Answers PDF Page 2 Version: 8.0 Question: 1 You have just executed a manual backup by using this command: mysqlbackup –u root –p –-socket=/tmp/my.sock –-backup-dir=/my/backup/ backup The operation completed without error. What is the state of this backup and operation required before it is ready to be restored? A. Backup State = Compressed Backup Operation = copy-back B. Backup State = Raw Backup Operation = apply-log C. Backup State = Prepared Backup Operation = validate D. Backup State = Prepared Backup Operation = apply-log E. Backup State = Raw Backup Operation = backupdir-to-image Answer: E Question: 2 Which MySQL utility program should you use to process and sort the Slow Query Log based on query time or average query time? A. mysqldumpslow B. mysqldump C. mysqlaccess D. mysqlshow E. mysqlslow Answer: A

  3. Questions & Answers PDF Page 3 Question: 3 Consider: Which statement best describes the meaning of the value for the key_len column? A. It shows how many bytes will be used from each index row. B. It shows the number of characters indexed in the key. C. It shows the total size of the index row. D. It shows how many columns in the index are examined. Answer: A Question: 4 Examine the mydata table and SELECT statements:

  4. Questions & Answers PDF Page 4 You issue: mysql> begin; mysql> update mydata set a=0 where b=3; How many rows are now protected by locks with the default InnoDB configuration? A. one B. one row and a next-key lock for supremum C. one row and a gap-lock D. five Answer: D Question: 5 A particular government’s security policy is to have very strict data encryption and safety settings. This is done by restricting access based on their own CA authority and limiting access to particular users within a department. Which method could be used to restrict access as required? A. using GRANT … REQUIRE X509 AND REQUIRE ISSUER ‘/C=…..’ AND REQUIRE SUBJECT ‘/C=… ..’ B. using GRANT USAGE, X509, …….ON *.* TO user@remotehost IDENTIFIED BY ‘secret_password’ C. using GRANT … REQUIRE SSL for a secure connection D. using GRANT USAGE, SSL, …..ON *.* TO user@remotehost IDENTIFIED BY ‘secret_password’ Answer: A Question: 6

  5. Questions & Answers PDF Page 5 Exhibit: What does the possible_keys column in this output denote? A. if it is possible for you to include any indexes in your query B. whether there are any indexes on the tables that you are querying C. if there are any indexes that may be used to solve this query D. whether there are any indexes in your query Answer: A Question: 7 Is it true that binary backups always take less space than text backups? A. Yes, because binary backups only contain data, and not statements required to insert data into the tables. B. No, because text backups can have optimizations, which make them smaller, such as updating many rows at once. C. No, because if InnoDB tables contain many empty pages, they could take more space than the INSERT statements. D. Yes, because even if InnoDB tables contain many empty pages, text backups have empty INSERT statements for them. Answer: C Question: 8 You have a consistent InnoDB backup created with mysqldump, the largest table is 50 GB in size. You start to restore your backup with this command; shell> mysql –u root –p < backup.sql After 30 minutes, you notice that the rate of restore seems to have slowed down. No other processes or external factors are affecting server performance. Which is the most likely explanation for this slowdown?

  6. Questions & Answers PDF Page 6 A. The MySQL server has stopped inserting data to check index consistency. B. InnoDB is doing CRC32 checks over the tablespace data as it grows. C. The MySQL server is taking a periodical snapshot of data so it can resume the restore if it is interrupted mid-way. D. InnoDB has filled the redo log and now must flush the pages. E. Secondary indexes no longer fit into the buffer pool. Answer: A

  7. Questions & Answers PDF Page 7 Thank You for trying 1Z0-888 PDF Demo To try our 1Z0-888 practice exam software visit link below Start Your 1Z0-888 Preparation Use Coupon “20OFF” for extra 20% discount on the purchase of Practice Test Software. Test your 1Z0-888 preparation with actual exam questions.