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Vendor: Oracle
Exam Code: 1Z0-882
Exam Name: MySQL 5.6 Developer
Certification: Oracle Database Application Development
Total Questions: 100 Q&A
Updated on:
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In MYSQL 5.6 you have the table t1:
CREATE TABLE t1 (
id int unsigned NOT NULL PRIMARY key) ENGINE = InnoDB;
There are two connections to the server. They execute in this order:
Connection 1> SET TRANSACTION ISOLATION LEVEL REPEATABLE READ; Connection 1> START
TRANSACTION;
Connection 1> SELECT * FROM t1 WHERE id =1;
Connection 2> TRUNCATE TABLE t1;
What happens to the TRUNCATE TABLE command in connection 2?
A. It immediately proceeds and causes an implicit commit of the transaction in connection1.
B. It runs concurrently with the transaction in connection 1 as each connection has its own view of the data in the t1 table.
C. It blocks waiting for a metadata lock until the transaction in connection 1 ends.
D. It blocks waiting for a table lock until the transaction in connection 1 ends.
Your MYSQL server was successfully running for a days, and then suddenly stopped .You are sure that no
mysqld process is running.
Which two may provide diagnostic information to help determine why the MYSQL server stopped?
A. The general query log file
B. The syslog on Linux/UNIX or the Event view on windows
C. The slow query log file
D. The MYSQL server error log file
E. The binary log file
Assume that the current database has a table with the following structure (the values for the Field column have been removed for the purpose of this question) Mysql > DEBS count trylanguage;
How can you select only the first two columns?
A. SELECT 1, 2 FROM Countrylanguage;
B. SELECT * FROM Counytrylanguage LIMIT 1, 2,
C. SELECT *{1,2} FROM Countrylanguage;
D. SELECT * (1), *[2] FROM Counyrylanguage;
E. It is not possible without using the column names or without using any other tables or queries.
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