Free Oracle 1Z0-909 Practice Test & Real Exam Questions
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?
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?
Correct Answer: C
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The meeting table stores meeting schedules with participants from five continents. The participants' details are stored in another table.
You need to adjust the start_time and duration columns for optimal storage. What datatype changes would achieve this?
You need to adjust the start_time and duration columns for optimal storage. What datatype changes would achieve this?
Correct Answer: D
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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)
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)
Correct Answer: D
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Which two statements are true about aggregate functions?
Correct Answer: D
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Examine this statement and output:
Which will provide the same level of detail when the error is encountered within a stored routine?
Which will provide the same level of detail when the error is encountered within a stored routine?
Correct Answer: D
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Examine this statement which has executed successfully:
Correct Answer: A
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You must enforce data integrity for data Inserted in a JSON column.
Which statement successfully creates a constraint in a 3SON column?
Which statement successfully creates a constraint in a 3SON column?
Correct Answer: A
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