1z0-888 Exam Dumps - Oracle MySQL Database Administration Questions and Answers

Backup State = Compressed Backup

Operation = copy-back

Backup State = Raw Backup

Operation = apply-log

Backup State = Prepared Backup

Operation = validate

Backup State = Prepared Backup

Operation = apply-log

Backup State = Raw Backup

Operation = backupdir-to-image

supports native automatic failover

enables automatic resync of databases when discrepancies are detected

provides arbitrary geographic redundancy with minimal overhead to master

synchronously guarantees identical slave copy

is easy to configure and has low performance overhead

can easily add slaves for read scaling

Decide which indexes to use.

Rewrite the WHERE clause.

Parse the query.

Change the order in which the tables are joined.

Validate the query.

Execute the query.

Verify that the user is allowed to execute the query.

You can use an index and return rows that fall within a range of values.

The table will be scanned over a certain range of values.

This type of index uses the range hash.

There is a range of indexes that can be used.

The server will crash.

The server suspends that INSERT operation until space becomes available.

An error message will be returned to the client .Server Error: ER_IO

The server suspends operations for all storage engines until space becomes available.

The log_bin variable is set to OFF on the slave.

server_id is not unique.

The max_connections variable on the slave needs to be increased.

The shared_memory_base_name variable must match the master.

The version of the slave is newer that the version of the master.

MySQL starts and Binary Logging is enabled.

MySQL fails to start due to the conflicting options in the configuration files.

MySQL fails to start due to conflicting options on the command line.

MySQL starts but Binary Logging is disabled.

Start the MySQL Server in --safe-mode, which only loads the privilege system for changes as data is inaccessible.

Start the MySQL Server with reset-root-password in my.cnf, which will prompt you to enter a new root user password.

Start the MySQL Server with --init-file pointing to SQL that executes an ALTER USER statement to change the root user password.

Start the MySQL Server with --skip-grant-tables and execute SQL, which will update the root password.

Start the MySQL Server with –initialize-insecure to force a password reset procedure on the command line.

monitoring the Innodb_rows_inserted status variable

monitoring the innodb_redo_log_size variable

monitoring the information_schema.TABLES table

monitoring datadir size in the operating system

monitoring cumulative Innodb_page_size increase

monitoring the performance_schema_hosts_size variable

Date should be a TIMESTAMP field for better performance.

The User field is too long for most names.

The engine type is not appropriate to the application use.

Using default values for DATETIME causes table scans.

No indexes are defined.