Exam 6: Procedural Language Sql and Advanced Sql
Exam 1: The Database Approach70 Questions
Exam 2: Database Development Process100 Questions
Exam 3: Data Models70 Questions
Exam 4: Relational Model Characteristics100 Questions
Exam 5: Beginning Structured Query Language Sql100 Questions
Exam 6: Procedural Language Sql and Advanced Sql100 Questions
Exam 7: Data Modeling With Entity Relationship Diagrams100 Questions
Exam 8: Data Modeling Advanced Concepts70 Questions
Exam 9: Normalizing Database Designs100 Questions
Exam 10: Distributed Databases70 Questions
Exam 11: Interacting With Databases Through the Web100 Questions
Exam 12: Database Administration and Security100 Questions
Exam 13: Managing Transactions and Concurrency70 Questions
Exam 14: Managing Database and Sql Performance70 Questions
Exam 15: Databases for Decision Support100 Questions
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The following SQL statement uses a(n) ____. SELECT P_CODE, P_DESCRIPT, P_PRICE, V_NAME
FROM PRODUCT, VENDOR
WHERE PRODUCT.V_CODE = VENDOR.V_CODE;
(Multiple Choice)
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Automating business procedures and automatically maintaining data integrity and consistency are trivial in a modern business environment.
(True/False)
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A trigger is procedural SQL code that is automatically invoked by the RDBMS upon the occurrence of a given data manipulation event.
(True/False)
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An alternate syntax for a join is SELECT column-list FROM table1 JOIN table2 ____________________ (common-column).
(Short Answer)
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How many rows would be returned from a cross join of tables A and B, if A contains 8 rows and B contains 18?
(Multiple Choice)
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What are SQL functions and when are they used? Provide a couple of examples of situations in which they are necessary.
(Essay)
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The NEXT command for a cursor is used to retrieve a row from the cursor and place it in the respective PL/SQL variables.
(True/False)
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The ____________________ join is the traditional join in which only rows that meet a given criteria are selected.
(Short Answer)
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One of the major advantages of stored procedures is that they can be used to encapsulate and represent business transactions.
(True/False)
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The use of the ____________________ operator allows you to compare a single value with a list of values returned by the first subquery (sqA) using a comparison operator other than EQUALS.
(Short Answer)
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In MS Access, you can use the ____________________ data type to define a column in your table that will be automatically populated with unique numeric values.
(Short Answer)
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"Linked SQL" is a term used to refer to SQL statements that are contained within an application programming language such as COBOL, C++, ASP, Java, or ColdFusion.
(True/False)
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One of the disadvantages of stored procedures is that they increase network traffic.
(True/False)
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Assume you are using the MINUS operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the MINUS operator?
(Multiple Choice)
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A(n) ____________________ join returns not only the matching rows but also the rows with unmatched attribute values for one or both tables to be joined.
(Short Answer)
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In Oracle, ____ make(s) it possible to merge SQL and traditional programming constructs, such as variables, conditional processing (IF-THEN-ELSE), basic loops (FOR and WHILE loops,) and error trapping.
(Multiple Choice)
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Assume you are using the UNION operator to combine the results from two tables with identical structure, CUSTOMER and CUSTOMER_2. The CUSTOMER table contains 10 rows, while the CUSTOMER_2 table contains 7 rows. Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table. How many records are returned when using the UNION operator?
(Multiple Choice)
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