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SQL Pertanyaan dan Jawaban Wawancara

Test your skills through the online practice test: SQL Quiz Online Practice Test

Ques 131. Which of the following is not a feature of a cursor FOR loop?

1. Record type declaration.
2. Opening and parsing of SQL statements.
3. Fetches records from cursor.
4. Requires exit condition to be defined.

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Ques 132. A developer would like to use referential datatype declaration on a variable. The variable name is EMPLOYEE_LASTNAME, and the corresponding table and column is EMPLOYEE, and LNAME, respectively. How would the developer define this variable using referential datatypes?

1. Use employee.lname%type.
2. Use employee.lname%rowtype.
3. Look up datatype for EMPLOYEE column on LASTNAME table and use that.
4. Declare it to be type LONG.

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Ques 133. Which three of the following are implicit cursor attributes?

1. %found
2. %too_many_rows
3. %notfound
4. %rowcount
5. %rowtype

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Ques 134. If left out, which of the following would cause an infinite loop to occur in a simple loop?

1. LOOP
2. END LOOP
3. IF-THEN
4. EXIT

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Ques 135. Which line in the following statement will produce an error?

1. cursor action_cursor is
2. select name, rate, action
3. into action_record
4. from action_table;
5. There are no errors in this statement.

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