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Oracle 1Z0-909 Exam

Certification Provider: Oracle
Exam Name: MySQL 8.0 Database Developer
Duration: 90 Minutes
Number of questions in our database: 65
Exam Version: May. 26, 2023
1Z0-909 Exam Official Topics:
  • Topic 1: Demonstrate connector use, management and configuration/ Secure credentials and connections
  • Topic 2: Explain application development with NoSQL and XDevAPI/ Handle and interpret errors and warnings
  • Topic 3: Explain the programming constructs used in stored routines/ Choose between connectors for a given application
  • Topic 4: Resolve consistency problems with isolation levels/ Set SQL Modes to change MySQL behavior
  • Topic 5: Use MySQL Shell to access document stores/ Retrieve data from the database by using a connector
  • Topic 6: Understand locking mechanisms within MySQL/ Control transactions in applications
  • Topic 7: Create and execute stored routines/ MySQL Schema Objects and Data
  • Topic 8: Rewrite queries for optimization/ Store and process string data
  • Topic 9: Analyze queries for optimization/ Aggregate and summarize data/ Data-driven Applications
  • Topic 10: Create and access a document store/ JSON and Document Store/ Store and process numeric data
  • Topic 11: Store and process spatial data/ Design, create, and alter views
  • Topic 12: Schedule database operations/ Store and process temporal data

Free Oracle 1Z0-909 Exam Actual Questions

The questions for 1Z0-909 were last updated On May. 26, 2023

Question #1

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:


Which is true?

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Correct Answer: C

Question #2

Examine these commands and output:

Which is true about the execution of the insert statement?

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Correct Answer: D

Question #3

Examine the appointments table definition which contains one million rows:

Now, examine this statement which executes successfully:

Which statement will improve query performance?

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Correct Answer: A

Question #4

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?

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Correct Answer: D

Question #5

Which change will prevent negative ages to be inserted into the people table?

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Correct Answer: D

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