Exam 8: Advanced Sql
Exam 1: Database Systems76 Questions
Exam 2: Data Models75 Questions
Exam 3: The Relational Database Model75 Questions
Exam 4: Entity Relationship Er Modeling75 Questions
Exam 5: Advanced Data Modeling85 Questions
Exam 6: Normalization of Database Tables110 Questions
Exam 7: Introduction to Structured Query Language Sql111 Questions
Exam 8: Advanced Sql109 Questions
Exam 9: Database Design103 Questions
Exam 10: Transaction Management and Concurrency Control85 Questions
Exam 11: Database Performance Tuning and Query Optimization85 Questions
Exam 12: Distributed Database Management Systems83 Questions
Exam 13: Business Intelligence and Data Warehouses75 Questions
Exam 14: Database Connectivity and Web Technologies85 Questions
Exam 15: Database Administration and Security86 Questions
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Each statement inside the PL/SQL code must end with a period (".").
(True/False)
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is a string function that returns the number of characters in a string value.
(Multiple Choice)
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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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In an Oracle sequence, the pseudo-column retrieves the current value of a sequence.
(Short Answer)
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A(n) routine pools multiple transactions into a single batch to update a master table field in a single operation.
(Short Answer)
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If a designer wishes to create an inner join, but the two tables do not have a commonly named attribute, he can use a(n) _____ clause.
(Multiple Choice)
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To remedy the lack of procedural functionality in SQL, and to provide some standardization within the many vendor offerings, the SQL-99 standard defined the use of persistent stored modules.
(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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Just like database triggers, stored procedures are stored in the database.
(True/False)
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SQL supports the conditional execution of procedures (IF-THEN-ELSE statements) that are typically supported by a programming language.
(True/False)
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The operator could be used in place of INTERSECT if the DBMS does not support it.
(Multiple Choice)
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A trigger definition consists of the triggering timing, the triggering event, the triggering level, and the triggering action.
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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;
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