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Oracle 1z1-909 Exam Syllabus Topics:

Topic Details
Topic 1
  • Resolve consistency problems with isolation levels
  • Set SQL Modes to change MySQL behavior
Topic 2
  • Explain the programming constructs used in stored routines
  • Choose between connectors for a given application
Topic 3
  • Schedule database operations
  • Store and process temporal data
Topic 4
  • Use MySQL Shell to access document stores
  • Retrieve data from the database by using a connector
Topic 5
  • Understand locking mechanisms within MySQL
  • Control transactions in applications
Topic 6
  • Rewrite queries for optimization
  • Store and process string data
Topic 7
  • Analyze queries for optimization
  • Aggregate and summarize data
  • Data-driven Applications
Topic 8
  • Explain application development with NoSQL and XDevAPI
  • Handle and interpret errors and warnings

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Oracle MySQL 8.0 Database Developer Sample Questions (Q36-Q41):

NEW QUESTION # 36
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.

Answer: C
NEW QUESTION # 37
The collection col contains all episodes for all seasons for a TV show.
Examine this document which has an example of the details for each episode:

Which query returns all expisode names from the first season?

  • A. SELECT doc->"$.name" FROM col WHERE doc->"$.season" = "1";
  • B. SELECT doc->,$.name,, FROM col WHERE doc->"$ . season" = "1";
  • C. SELECT "S.name" FROM col WHERE "S.season" = "1";
  • D. SELECT name FROM col WHERE season = 1;

Answer: C
NEW QUESTION # 38
Examine this statement and output:

What causes the error?

  • A. The database user does not have sufficient privilege.
  • B. The set local_infile option has not been enabled.
  • C. The database client process does not have sufficient privilege.
  • D. The database server is running in read-only mode.
  • E. The engine is disabled.
  • F. The database server process does not have sufficient privilege.

Answer: F
NEW QUESTION # 39
Examine these statements which execute successfully:

The statements executed without exception. Which two are true?

  • A. One row is inserted into band.
  • B. Two transactions commit.
  • C. No row is inserted into band.
  • D. No transaction commits.
  • E. The transaction is rolled back to the savepoint.

Answer: A,D
NEW QUESTION # 40
Examine this statement and output:

Which is true?

  • A. myview was defined with the temptable processing algorithm.
  • B. Column Name in myview can be indexed if the is_updatable attribute is true.
  • C. The underlying table's index on the Name column is not chosen because of low selectivity.
  • D. myview cannot be automatically indexed.

Answer: A
NEW QUESTION # 41
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