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Oracle 1z1-909 Exam Syllabus Topics:

Topic	Details
Topic 1	Create and access a document store JSON and Document Store Store and process numeric data
Topic 2	Schedule database operations Store and process temporal data
Topic 3	Understand locking mechanisms within MySQL Control transactions in applications
Topic 4	Store and process spatial data Design, create, and alter views
Topic 5	Explain application development with NoSQL and XDevAPI Handle and interpret errors and warnings
Topic 6	Resolve consistency problems with isolation levels Set SQL Modes to change MySQL behavior

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Accurate Oracle - 1z1-909 - Valid MySQL 8.0 Database Developer Test Dumps

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Oracle MySQL 8.0 Database Developer Sample Questions (Q43-Q48):

NEW QUESTION # 43
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 in the table has been updated.
• B. The trigger activates after any row has been inserted into the table.
• C. The trigger body set causes trigger activation.
• D. Execution of an insert statement causes the trigger to activate.

Answer: D
NEW QUESTION # 44
The employee table includes these columns:
eid INT, ename VARCHAR (45), dept_id INT salart INT
You must create a stored function, getMaxSalary(), which returns the maximum salary paid for a given department id.
Which statement will create the function?
A)

B)

C)

D)

• A. Option A
• B. Option B
• C. Option D
• D. Option C

Answer: A
NEW QUESTION # 45
The continent column in the country table contains no null values.
Examine this output:

A)

B)

C)

D)

• A. Option A
• B. Option B
• C. Option D
• D. Option C

Answer: A
NEW QUESTION # 46
Examine these my.cnf settings:

Examine this entry from /data/slow.log

Which option is also set in my.cnf?

• A. logqueriesnotusingindexes
• B. logthrottlequeriesnotusing_indexes=100
• C. logqueriesnotusingindexes=ON
• D. log_slowadmin_statements=1

Answer: D
NEW QUESTION # 47
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 returned because the isolation level is RPEATABLE READ in S1.
• B. The inserted row is not returned because the isolation level is READ COMMITTED in S2.
• C. The inserted row is not returned because the transaction still active in s2.
• D. The inserted row is returned because the transaction is auto committed in S2.

Answer: D
NEW QUESTION # 48
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