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QUESTION 1
You need to create a table for a banking application. One of the columns in the table has the following requirements:
1) You want a column in the table to store the duration of the credit period.
2) The data in the column should be stored in a format such that it can be easily added and subtracted with date data type without using conversion functions.
3) The maximum period of the credit provision in the application is 30 days.
4) The interest has to be calculated for the number of days an individual has taken a credit for.
Which data type would you use for such a column in the table?
A. DATE
B. NUMBER
C. TIMESTAMP
D. INTERVAL DAY TO SECOND
E. INTERVAL YEAR TO MONTH
Answer: D
QUESTION 2
Which three tasks can be performed using SQL functions built into Oracle Database?
A. Displaying a date in a nondefault format
B. Finding the number of characters in an expression
C. Substituting a character string in a text expression with a specified string
D. Combining more than two columns or expressions into a single column in the output
Answer: ABC
QUESTION 3
View the Exhibit and examine the data in the employees table:
You want to display all the employee names and their corresponding manager names. Evaluate the following query:
Which join option can be used in the blank in the above query to get the required output?
A. INNER JOIN
B. FULL OUTER JOIN
C. LEFT OUTER JOIN
D. RIGHT OUTER JOIN
Answer: C
QUESTION 4
View the Exhibit and examine the description of SALES and PROMOTIONS tables.
You want to delete rows from the sales table, where the PROMO_NAME column in the promotions table has either blowout sale of everyday low prices as values. Which three delete statements are valid?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: BCD
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