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1z0-909 Exam Dumps - Oracle MySQL Developer Questions and Answers

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Questions 4

Examine these statements issued from Session 1 which execute successfully:

Now, examine these statements issued from Session 2 which execute successfully:

Session 2>

BEGIN;

UPDATE band SET song=CONCAT ("Here Comes the ", song) WHERE song LIKE ' %Sun ;

Which two are true?

Options:

A.

Session 1 takes a shared lock on all the rows in the band table.

B.

Session 1 must commit before the update in Session 2 can complete.

C.

Session 1 does not block Session 2.

D.

Statements in Session 2 are committed.

E.

Session 2 takes an exclusive lock on all the rows in the band table.

F.

Session 2 does not start a transaction.

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Questions 5

Which two are true about MySQL connectors?

Options:

A.

Connectors must be installed on both the client and server hosts.

B.

Connector/J is based on Connector/C.

C.

Connector/ODBC is available on Unix, Windows, and MacOS X.

D.

Connector/NET runs on the Windows platform only.

E.

Connector/Python is released in precompiled binary and source code.

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Questions 6

You must reclaim memory used by a prepared statement named prep. Which two achieve this?

Options:

A.

SET @a = ''; EXECUTE prep USING @a;

B.

DEALLOCATE PREPARE prep?

C.

DROP PROCEDURE prep;

D.

SET @prep = NULL;

E.

DROP PREPARE prep;

F.

PREPARE prep FROM '';

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Questions 7

Examine this statement:

DECLARE not_found CONDITION FOR SQLSTATE '02000';

In which two statements can not found be used?

Options:

A.

in a leave statement to exit a loop

B.

in an if statement

C.

in a while loop

D.

in a handler declaration

E.

in a signal statement

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1z0-909 VCE Exam Download,
Exam Code: 1z0-909
Exam Name: MySQL 8.0 Database Developer
Last Update: Dec 3, 2024
Questions: 65
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