04 quiz 1
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This document contains a quiz with 12 multiple choice questions testing database concepts. The questions cover topics such as defining database, normal forms, relationship types, DDL vs DML statements, schemas, SELECT statements, INSERT and UPDATE statements, joins, recursive common table expressions, and ROLLUP vs CUBE operations. The document provides space for answers but does not include the answer key.
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04 quiz 1
- 1. F0004 04 Quiz 1 *Property of STI Page 1 of 3 QUIZ PROBLEM SET. Provide the answer for each question. (5 pts. each) 1. Define database. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 2. Differentiate the first normal form from the second normal form. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 3. Enumerate the three primary types of relationships supported by a relational database. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 4. Differentiate a DDL statement from a DML statement. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 5. Define schema. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 6. Assume that you are writing a SELECT statement that retrieves the CDTitle column and all rows from the Inventory table. You want the column in the query results to be named CompactDisc. Provide the SELECT statement that you will use. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________
- 2. F0004 04 Quiz 1 *Property of STI Page 2 of 3 __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 7. Assume that you are writing a SELECT statement that retrieves the Category and Price columns from the CompactDiscStock table. You want to group together the data first by the Category column and then by the Price column. And then you want to filter out any groups that have a Price value over 15.99. Provide the SELECT statement that you will use. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 8. Assume that you are creating an INSERT statement to insert data into the ArtistTypes table. The table includes only two columns: ArtID and TypeName. You want to insert one row that includes the ArtID value of 27 and the TypeName value of Gospel. Provide SQL statement that you will use. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 9. Assume that you are creating an UPDATE statement to update data in the PerformingArtists table. And you want to update the ArtID value of every row to 27. Provide SQL statement that you will use. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 10. Differentiate an inner join from an outer join. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ 11. Define recursive common table expression. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________
- 3. F0004 04 Quiz 1 *Property of STI Page 3 of 3 12. Differentiate a ROLLUP operation from a CUBE operation. __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________ __________________________________________________________________________