Vendor: Oracle
Certifications: Oracle Database Application Development
Exam Name: MySQL 5.6 Database Administrator
Exam Code: 1Z0-883
Total Questions: 100 Q&As
Last Updated: May 21, 2023
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1Z0-883 Online Practice Questions and Answers
Assume that you want to know which Mysql Server options were set to custom values. Which two methods would you use to find out?
A. Check the configuration files in the order in which they are read by the Mysql Server and compare them with default values.
B. Check the command-line options provided for the Mysql Server and compare them with default values.
C. Check the output of SHOW GLOBAL VARIABLES and compare it with default values.
D. Query the INFORMATION_SCHEMA.GLOBAL_VARIABLES table and compare the result with default values.
A Mysql instance is running on a dedicated server. Developers access the server from the same network subnet. Users access the database through an application that is running on a separate server in a DMZ.
Which two will optimize the security of this setup?
A. Disabling connections from named pipes or socket files (depending on the operating system of the server)
B. Running the server with skip-networking specified
C. Limiting logins to originate from the application server or the server's subnet
D. Starting the server with bind- address=0.0.0.0 specified
E. Installing Mysql on the application server, and running the database and application on the same server
F. Enabling and using SSL for connections to the Mysql database
You are using the performance Schema to investigate replication on a slave:
Mysql> SELECT THREAD_ID threads.NAME, SUM (COUNT_STAR) AS Totalcount, SUM (SUM_TIMER_WAIT) AS Totaltime FROM performance_schema.events_waits_summary_by_thread_by_event_name INNER JOIN performance_schema,threads USING (THREAD_ID) WHERE threads .NAME LIKE `thread/sql/slave\-%' GROUP BY THREAD_ID, threads.NAME;
Assume that all instruments and consumers are enabled and all threads are instrumented. Which two facts can be concluded from the given output?
A. At most two schemas are being updated concurrently.
B. The server needs more cores to use all slave threads.
C. The slave cannot process the relay log fast enough to use all threads.
D. The slave is configured with slave_parallel_workers = 4.
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