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Oracle 1Z0-909 Exam Syllabus Topics:

Topic	Details
Topic 1	Schedule database operations Store and process temporal data
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	Create and execute stored routines MySQL Schema Objects and Data
Topic 5	Analyze queries for optimization Aggregate and summarize data Data-driven Applications
Topic 6	Explain the programming constructs used in stored routines Choose between connectors for a given application
Topic 7	Rewrite queries for optimization Store and process string data

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Oracle MySQL 8.0 Database Developer Sample Questions (Q56-Q61):

NEW QUESTION # 56
Examine this statement:
DECLARE not_found CONDITION FOR SQLSTATE '02000';
In which two statements can not found be used?

• A. in a handler declaration
• B. in an if statement
• C. in a signal statement
• D. in a leave statement to exit a loop
• E. in a while loop

Answer: C,E
NEW QUESTION # 57
Your session has sqimode set to default.
Examine this statement which executes successfully:

Now examine this statement:

Which two changes are required to the insert statement so that it inserts the correct data?
* stdid = 10301
* firstname = Mary
* lastname = O'Hagen
* birthdate = November 26, 1997
* reg_date = the current date

• A. Change " NULL " to ' NULL ' .
• B. Change date () to CURRENT_TIMESTAMP () .
• C. Change DATE () to DAY ().
• D. Change " NULL " to NULL.
• E. Change "O'Hagen" to 'o\'Hagen'.
• F. Change "O'Hagen" to "O\'Hagen".

Answer: C,D
NEW QUESTION # 58
Examine these statements which execute successfully:

The statements executed without exception. Which two are true?

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

Answer: A,B
NEW QUESTION # 59
Examine this statement which has executed successfully:

• A. Execution performance can be improved by, using a composite index with column description as the leftmost prefix column description.
• B. The statement takes advantage of index description_idx.
• C. Execution performance can be improved by using like instead of RLIKE.
• D. No index will improve statement performance.
• E. Execution performance can be improved by adding an index on column description.

Answer: A
NEW QUESTION # 60
You must enforce data integrity for data Inserted in a JSON column.
Which statement successfully creates a constraint in a 3SON column?

• A. CREATE TABLE fshop (id INT NOT NULL AUTOINCREMENT, product JSON, PRIMARY KEY (id)) ENGINE=InnoDB;
• B. CREATE TABLE fshop (product JSON CHECK (JSON_VALID(product) ) ) ;
• C. CREATE TABLE fshop ( product JSON, f INT' GENERATED ALWAYS AS (product->"S - id") ) ;
• D. CREATE TABLE fshop (id INT NOT NULL AUTO_ INCREMENT, product JSON, CHECK (id>0) ) ENGXNE=InnoDB;

Answer: A
NEW QUESTION # 61
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