구매 전에 자료의 품질을 직접 확인하고 싶으시다면 Fast2test의 무료 샘플을 이용해 보시기 바랍니다. 1Z0-909 연습문제 66문항 중 일부를 미리 체험해 보고 Oracle MySQL 8.0 Database Developer 준비 방향을 잡으실 수 있습니다.

Oracle 1Z0-909 시험 개요:

Oracle 1Z0-909 시험 요강 주제:

Oracle 1Z0-909 관련 궁금증 해결 가이드

최신 MySQL Developer 1Z0-909 무료샘플문제

문제 #1

Examine the statement which executes successfully:
SET sql_mode=' NO_ENGINE_SUBSTITTJTION' ;
You try to create a table with a storage engine that is not available. What will happen?

A. The server will create the table using the default storage engine.
B. The server will create the table but report an error when the first attempt to insert a row is performed.
C. The server will create the table but it will be unusable until the specified storage engine is available.
D. An error occurs and the create table statement fails.

문제 #2

Examine the content of the employee table:

Now examine this PHP script:

Finally examine this desired output:

A. $options = [PDO:: ATTR__DEFAULT_FETCH MODE => PDO: :FETCH_CLASS] ;
B. $options = [PDO:: ATTR_DEFAULT_FETCH__MODE => PDO: : FETCH_ASSOC] ;
C. $options = [PDO:: ATTR_DEFAOLT_FETCH__MODE => PDO : : FETCH_BOTH] ;
D. $options = [PDO:: ATTR_DEFAUXT_FETCH__MODE => PDO: : PDO: :FETCH_OBJ] ;

문제 #3

Examine these commands which execute successfully:
mYsql> CREATE TABLE income (acct_num INT, amount DECIMAL(10,2));
mysql> CREATE TRIGGER subtotal BEFORE INSERT ON income
FOR EACH ROW SET @subtotal = subtotal + NEW.amount;
Which is true for the income table?

A. The trigger activates after any row has been inserted into the table.
B. The trigger body set causes trigger activation.
C. Execution of an insert statement causes the trigger to activate.
D. The trigger activates after any row in the table has been updated.

문제 #4

Examine this statement and output:

Now, examine these desired output values:

Which statement updates the table data as require

A. UPDATE exam_result SET score=TRUNCATE(score,1);
B. UPDATE exam_result SET score=ROUND(score,1);
C. UPDATE exam_result SET score=TRUNCATE
D. UPDATE examresult SET score=ROUND(CEIL(score
E. UPDATE exam_result SET score=CEIL(TRUNCATE(sco
F. UPDATE exam_result SET score=CEIL(ROUND(score,1));

문제 #5

Examine these commands which execute successfully in the sequence shown in Sessions S1 and S2:

Now, examine this statement that execute successfully in s1:
S1> SELECT * FROM emp;
Which is true about the result of the select statement?

A. The inserted row is not returned because the transaction still active in s2.
B. The inserted row is returned because the isolation level is RPEATABLE READ in S1.
C. The inserted row is returned because the transaction is auto committed in S2.
D. The inserted row is not returned because the isolation level is READ COMMITTED in S2.

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