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Free 1Z0-882 Sample Question 1
The application logs contain many entries of the following: ERROR 1153 (OSSO1): Got a packet bigger than `max_allowed_packet' bytes With two scenarios can (Hibernate this error message?
Free 1z0-882 Sample Question 3
You wish to create a trigger on the `city' table that will check the value of the `District' field before any INSERT. The trigger needs to change it to" Unknown" for an empty string or NULL.
CREATE TRIGGER City_bi
BEFORE INSERT ON CITY
FOR EACH ROW
IF OLD. District IS NULL OR OLD.District= . .
END IF :
Does the CREATE TRIGGER statement accomplish this goal?
Free 1z0-882 Sample Question 4
The tab-delimited file"/tmp/people,txt contains:
1636 Carsten Pederson Denmark
4672 Kai Voigt Germany
4628 Max Mether France
This is the structure of the people table:
Mysq1> DESCRIBE people;
Which statement will load the first and last names into the Names column and the country into the country column?
Free 1z0-882 Sample Question 6
You create a table and a stored procedure:
CREATE TABLE t1 (f1 int);
INSERT INTO t1 VALUES (1), (2) , (3), (4), (5);
CREATE PROCEDURE sum_t1()
DECLARE done INT DEFAULT 0;
DECLARE va1 INT;
DECLARE result CURSOR FOR SELECT f1 FROM t1;
DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=1; OPEN cur;
FETCH cur INTO va1;
IF NOT done THEN
SET result = result +va1;
UNTIL done END REPEAT;
What is the result of the CALL statement?
Free 1z0-882 Sample Question 8
You try to add a foreign key to the InnoDB table employees:
Mysq1> ALTER TABLE employees ADD FOREIGN KEY (Department_ID) REFERENCES departments (Department_ID);
ERROR 1215 (HY000): cannot add foreign key constraint
Which command will provide additional information about the error?
Free 1z0-882 Sample Question 12
You have a transaction that queries a table at the beginning of the transaction and performs the same query later.
Which two transaction isolation levels guarantee that you get the same results both times?
Free 1z0-882 Sample Question 15
In the office table, the city column is structured as shown:
Mysql> show columns from office like `city'G
---------------------------------------------------1. row ---------------------__________________ Field: city
Type: enum(`paris'.'Amsterdam'.'New York'.'Tokyo') Null: Yes
Consider the output of the SELECT query executed on the office table:
Mysql> SELECT DISTINCT city FROM office ORDER BY city:
If the query is written as:
SELECT DISTINCT city FROM office ORDER BY CAST(city AS CHAR) In what order are the rows returned?
Free 1z0-882 Sample Question 16
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
Connection 1> SELECT * FROM t1 WHERE id =1;
Connection 2> TRUNCATE TABLE t1;
What happens to the TRUNCATE TABLE command in connection 2?
Free 1z0-882 Sample Question 18
Cormcctor/Net supports a decoupled database connection mode, where a database Connection is
established only when needed.
Choose the three parts that are involved when working with decoupled data.
Free 1z0-882 Sample Question 19
You have two test tables:
. Code_innodb as InnoDB engine
. Code_ myisam as MYISAM engine
The tables have the same structure:
You execute an INSERT statement on both code_myisam tables and receive duplicate key errors:mysql> INSERT INTO code_innodb VALUES (1, `Alpha'), (2, `Beta'), (3, `charlie,),(4, `Delta');ERROR 1062 (23000): Duplicate entry `3' for key `PRIMARY'
Mysql> INSERT INTO code_myisam VALUES (1, `Alpha'), (2, `Beta'), (3, `charlie'), (4, `Delta');
ERROR 1062 (23000); Duplicate entry `3' for key `PRIMARY'
What is the expected output of the SELECT statements?
Free 1z0-882 Sample Question 21
A table (t1) contains 1000 random integer values in the first column (col1).The random values are in the range of 0-1000.
Examine this query:
SELECT col1 FROM t1 WHERE col1 <=100 UNION
SELECT col1 FROM t1 WHERE col1 >=900 ORDER BY col1 DESC
What is the expected output?
Free 1z0-882 Sample Question 23
A complex query consists of eight populated tables that are all connected via INNER JOIN operands as shown:
You modify the query and replace the SELECT operand with SELECT STRAIGHT JOIN.
What is the effect of adding STRAIGHT JOINs to the query?