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1Z0-888考古題更新，1Z0-888考題資訊 - Oracle 1Z0-888最新試題 - Royalholidayclubbed
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1Z0-888 PDF DEMO:
QUESTION NO: 1
What is the order of tables shown in an EXPLAIN output?
A. It lists tables from the most optimized to the least optimized.
B. It lists tables in the order in which their data will be read.
C. It lists tables from the smallest to the largest.
D. It lists tables in the order in which they are specified in the statement that is being explained.
Answer: D
QUESTION NO: 2
Consider the CHECK TABLE command.
In which two situations should this command be used? (Choose two.)
A. to repair table structure problem
B. to make sure a table has no structural problems
C. to find out why a query takes a long time to execute on a given table
D. to improve performance by updating index distributing statistics on InnoDB tables
E. to make sure that no table indexes are corrupted
Answer: B,E
Explanation
The CHECK TABLE statement performs an integrity check on table structure and contents. It works for
MyISAM and InnoDB tables. For MyISAM tables, it also updates the index statistics. If the table is a view, CHECK TABLE verifies the view definition. If the output from CHECK TABLE indicates that a table has problems, the table should be repaired.
QUESTION NO: 3
You are receiving complaints from your application administrators that they are seeing periodic stalls in database response (no queries to any table are returning results for several seconds or longer). You monitor your system and notice that the durations of those stalls correspond to peaks in disk I/O.
Which 2 things should you investigate?
A. Check the rate of change in the status value Aborted_connects and compare to the rate of change in Connections.
B. Check the rate of change in the statis value Qcache_hits and compare that to the rate of change of
Qcache_not_cached.
C. Check the difference between the InnoDB status values "Log Sequence number" and "Last
Checkpoint" positions then compare that to the total size of the redo log.
D. Check the difference between the InooDB status values "Trx id counter" and "Purge done for" and compare to the state substatus of the main "Main thread"
E. Check the rate of change in the status value Select_scan and compare to the rate of change in
Com_select.
Answer: B,C
QUESTION NO: 4
Which statement is true about using Microsoft Windows Cluster as a platform for MySQL?
A. It is provided by means of IP-level disk replication.
B. It is a shared-nothing architecture.
C. It relies on the shared disk architecture being visible to both servers.
D. It implements High Availability by using the .NET Connector's load balancing capabilities.
Answer: C
QUESTION NO: 5
A MySQL database uses all InnoDB tables and is configured as follows;
You will be setting up a replication slave by using mysqldump. You will need a consistent backup taken from your running production server. The process should have minimal impact to active database connections.
Which two arguments will you pass to mysqldump to achieve this? (Choose two.)
A. --single-transaction
B. --lock-all-tables
C. --skip-opt
D. --master-data
E. --create-apply-log
Answer: B,C
Royalholidayclubbed Oracle的IAPP AIGP考試培訓資料將是你成就輝煌的第一步，有了它，你一定會通過眾多人都覺得艱難無比的Oracle的IAPP AIGP考試認證，獲得了這個認證，你就可以在你人生中點亮你的心燈，開始你新的旅程，展翅翱翔，成就輝煌人生。 我們的Oracle Juniper JN0-281 認證考試的考古題是Royalholidayclubbed的專家不斷研究出來的。 EMC NCP-AIO - 因為這是你通過考試的最好的，也是唯一的方法。 Oracle Microsoft MS-102認證考試是IT人士在踏上職位提升之路的第一步。 在這裏我想說的就是怎樣才能更有效率地準備IAPP AIGP考試，並且一次就通過考試拿到考試的認證資格。
Updated: May 28, 2022
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