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Oracle 1z1-909 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Use MySQL Shell to access document stores
  • Retrieve data from the database by using a connector
Topic 2
  • Demonstrate connector use, management and configuration
  • Secure credentials and connections
Topic 3
  • Resolve consistency problems with isolation levels
  • Set SQL Modes to change MySQL behavior
Topic 4
  • Rewrite queries for optimization
  • Store and process string data
Topic 5
  • Create and execute stored routines
  • MySQL Schema Objects and Data
Topic 6
  • Schedule database operations
  • Store and process temporal data
Topic 7
  • Explain application development with NoSQL and XDevAPI
  • Handle and interpret errors and warnings

Oracle MySQL 8.0 Database Developer Sample Questions (Q35-Q40):

NEW QUESTION # 35
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 not returned because the isolation level is READ COMMITTED in S2.
  • C. The inserted row is returned because the isolation level is RPEATABLE READ in S1.
  • D. The inserted row is returned because the transaction is auto committed in S2.

Answer: D


NEW QUESTION # 36
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 isolation level is READ COMMITTED in S2.
  • B. The inserted row is not returned because the transaction still active in s2.
  • C. The inserted row is returned because the transaction is auto committed in S2.
  • D. The inserted row is returned because the isolation level is RPEATABLE READ in S1.

Answer: B


NEW QUESTION # 37
Examine this statement and output:
CREATE TABLE geom (g GEOMETRY NOT NOLL, SPATIAL INDEX(g) ) ; Query OK, 0 rows affected, 1 warning (0.01 sec) An attempt is made to add an SRID attribute to the column using the statement:
ALTER TABLE geom MODIFY COLUMN g geometry NOT NULL SRID 0;
Which is true?

  • A. Execution succeeds with a warning.
  • B. Execution succeeds and allows the use of the index by the optimizer.
  • C. An error is generated because the index prevents changes to the column.
  • D. An error is generated because srid o is an invalid identifier value.

Answer: C


NEW QUESTION # 38
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=ROUND(score,1);
  • B. UPDATE exam_result SET score=CEIL(ROUND(score,1));
  • C. UPDATE exam_result SET score=TRUNCATE(score,1);
  • D. UPDATE exam_result SET score=CEIL(TRUNCATE(sco
  • E. UPDATE exam_result SET score=TRUNCATE
  • F. UPDATE examresult SET score=ROUND(CEIL(score

Answer: A


NEW QUESTION # 39
Which two are true about MySQL Document Store?

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

Answer: A,B


NEW QUESTION # 40
......

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