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100% Pass 2023 Oracle 1Z0-909: MySQL 8.0 Database Developer –Professional Test Question

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The Oracle 1z1-909 (MySQL 8.0 Database Developer) Certification Exam is designed for individuals who possess the skills and knowledge required to develop and manage MySQL 8.0 databases. The exam tests the proficiency of the candidates in various areas such as database design, implementation, maintenance, and troubleshooting. The exam comprises of 70 multiple-choice questions, which must be completed within 105 minutes. The passing score for the exam is 63%.

Oracle MySQL 8.0 Database Developer Sample Questions (Q65-Q70):

NEW QUESTION # 65
Which two are true about MySQL Document Store?

A. It can store documents greater than 4 GB.
B. It allows one to bypass the SQL layer of the server.
C. There is no access to relational tables.
D. It depends heavily on strictly typed data.
E. It helps to store data items in a schema-less key-value store.

Answer: B,E

NEW QUESTION # 66
Which two statements are true about AUTO_INCREMENT?

A. A table can have multiple AUTO_INCREMENT columns.
B. A server restart always resets the AUTO_INCREMENT value to largest value in the AUTO_INCREMENT column plus 1.
C. An AUTO_INCREMENT column must be indexed.
D. The decimal data type supports AUTO_INCREMENT.
E. AUTO_INCREMENT values allocated to a transaction that is rolled back are not reused.

Answer: C,E

NEW QUESTION # 67
Examine these statement which execute successfully:

Now, examine this desired output:

Which two queries will produce the out?

Answer: A,B

NEW QUESTION # 68
Examine these statement which execute successfully:

Now, examine this desired output:

Which two queries will produce the out?
A)

B)

D)

E)

A. Option E
B. Option B
C. Option D
D. Option A
E. Option C

Answer: B,E

NEW QUESTION # 69
The variables c and d are declared as integer types.
Examine these initialization statements with placeholder value <p1>, which execute successfully:
Now, examine this loop which executes successfully:

Which loop results in the same value of d for all valid values of <p1>?
A)

B)

C)

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

Answer: A

NEW QUESTION # 70
......

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