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Share some Oracle Database 1Z0-061 exam questions and answers below.

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: A,B,C

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

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: B,C,D

Evaluate the following SQL commands:

The command to create a table fails. Identify the two reasons for the SQL statement failure?

A. You cannot use SYSDATE in the condition of a check constraint.

B. You cannot use the BETWEEN clause in the condition of a check constraint.

C. You cannot use the NEXTVAL sequence value as a default value for a column.

D. You cannot use ORD_NO and ITEM_NO columns as a composite primary key because ORD_NO is also the foreign key.

Answer: A,C

Examine the structure proposed for the transactions table:

Which two statements are true regarding the creation and storage of data in the above table structure?

A. The CUST_STATUS column would give an error.

B. The TRANS_VALIDITY column would give an error.

C. The CUST_STATUS column would store exactly one character.

D. The CUST_CREDIT_LIMIT column would not be able to store decimal values.

E. The TRANS_VALIDITY column would have a maximum size of one character.

F. The TRANS_DATE column would be able to store day, month, century, year, hour, minutes, seconds, and fractions of seconds

Answer: B,C

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