Download MySQL 5.6 Database Administrator.1z0-883.BrainDumps.2019-03-03.100q.tqb

Vendor:	Oracle
Exam Code:	1z0-883
Exam Name:	MySQL 5.6 Database Administrator
Date:	Mar 03, 2019
File Size:	855 KB

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Demo Questions

A simple master-to-slave replication is currently being used. The following information is extracted from the SHOW SLAVE STATUS output:

Last_SQL_Error: Error 'Duplicate entry '8' for key 'PRIMARY' ' on query. Default database: 'mydb'. Query: 'insert into mytable VALUES ('8' , 'George') '

Skip_Counter: 0

Retrieved _Gtid_Set: 38f32e23480a7-32a1-c323f78067fd37821: 1-8

Auto _Position: 1

You execute a “SHOW CREATE TABLE mytable” on the slave:

CREATE TABLE ‘mytable’ (

‘ID’ int(11) NOT NULL DEFAULT ‘0’,

‘name’ char(10) DEFAULT NULL,

PRIMARY KEY (‘ID’)

)

The table mytable on the slave contains the following:

You have issued a STOP SLAVE command. One or more statements are required before you can issue a START SLAVE command to resolve the duplicate key error.

Which statement should be used?

SET GLOBAL SQL_SKIP_SLAVE_COUNTER=1
SET GTID_NEXT=”CONSISTENCY”;
BEGIN; COMMIT;
SET GTID_NEXT=” AUTOMATIC’;
SET GLOBAL enforce_gtid_consistency=ON
SET GTID_EXECUTED=”38f32e23480a7-32a1-c323f78067fd37821 : 9”;
SET GTID_NEXT=”38f32e23480a7-32a1-c323f78067fd37821 : 9”;
BEGIN; COMMIT;
SET GTID_NEXT=”AUTOMATIC”;

Correct answer: A

Consider the following statement on a RANGE partitioned table:

ALTER TABLE orders DROP PARTITION p1, p3;

What is the outcome of executing the above statement?

Only the first partition (p1) will be dropped as only one can be dropped at any time.
All data in p1 and p3 partitions are removed, but the table definition remains unchanged.
A syntax error will result as you cannot specify more than one partition in the same statement.
All data in pi and p3 partitions are removed and the table definition is changed.

Correct answer: D

Explanation:

Reference: https://dev.mysql.com/doc/refman/5.5/en/partitioning-management.html

Reference:

https://dev.mysql.com/doc/refman/5.5/en/partitioning-management.html

You inherit a legacy database system when the previous DBA, Bob, leaves the company. You are notified that users are getting the following error:

mysql> CALL film_in_stock (40, 2, @count);

ERROR 1449 (HY000): The user specified as a definer (‘bon’@’localhost’) does not exist

How would you identify all stored procedures that pose the same problem?

Execute SELECT * FROM mysql.routines WHERE DEFINER=’bob@localhost’;.
Execute SHOW ROUTINES WHERE DEFINER=’bob@localhost’.
Execute SELECT * FROM INFORMATION_SCHEMA. ROUTINES WHERE DEFINER=’bob@localhost’;.
Execute SELECT * FROM INFORMATION_SCHEMA. PROCESSLIST WHERE USER=’bob’ and HOST=’ localhost’;.
Examine the Mysql error log for other ERROR 1449 messages.

Correct answer: C

Explanation:

The processlist table has only the connected session info. The mysql.proc and information_schema.routines has the SP/routines and functions info including the definer and definition code.

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