PL/SQL
Test Your PL/SQL Knowledge
Welcome to the PL/SQL Quiz! This engaging quiz is designed to test your knowledge and understanding of PL/SQL concepts. Whether you're an experienced developer or just starting out, this quiz will challenge your skills and help you learn.
Key Features:
- 10 carefully crafted questions
- Multiple choice format for easy answering
- Instant feedback on your performance
1. Which of the following is true about data types in PL/SQL?
A. Large Object or LOB data types are pointers to large objects that are stored separately from other data items, such as text, graphic images, video clips, and sound waveforms.
B. The composite data types have data items that have internal components that can be accessed individually. For example, collections and records.
C. References are pointers to other data items.
D. All of the above.
2. Which of the following code correctly create a record named book with two field title and author?
A. (title varchar(50), author varchar(50),);
B. (title varchar(50), author varchar(50),);
C. (title varchar(50), author varchar(50),);
D. (title varchar(50), author varchar(50),);
3. The pre-defined exception TOO_MANY_ROWS is raised when
A. PL/SQL ran out of memory or memory was corrupted.
B. A cursor fetches value in a variable having incompatible data type.
C. SELECT INTO statement returns more than one row.
D. None of the above.
4. Any subprogram not in the package specification but coded in the package body is called a
A. Public object.
B. Private object.
C. None of the above.
D. Both of the above.
5. A transaction starts when
A. The first SQL statement is performed after connecting to the database.
B. At each new SQL statement issued after a transaction is completed.
C. None of the above.
D. Both of the above.
6. The _____________ operator returns rows that are retrieved by both queries?
A. Inter
B. Intersect
C. Union
D. Both a and b
7. In a view, ____________ specifies that rows may only read from the base tables
A. WITH READ ONLY
B. WITH READ
C. READ ONLY
D. READ
8. The HAVING clause is used in combination with the ORDER BY clause
A.True
B.False
9. [==] Metacharacter is used for?
A. Matches any character in the specified range
B. Specifies a character class and matches any character in that class
C. Matches one collation element, like a multicharacter element
D. Specifies equivalence classes
10. Which of the following gets the largest integer less than or equal to x?
A. TRUNC
B. CEIL(x)
C. FLOOR(x)
D. ACOS(x)
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