9: Lesson Review Answers in VS .NET

Creation PDF-417 2d barcode in VS .NET 9: Lesson Review Answers

9: Lesson Review Answers
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Lesson 1
Encoding Barcode In .NET
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1. Correct Answers: B and D A. Incorrect: Modifying data is not allowed within a function. B. Correct: A function can return the result of a SELECT statement. C. Incorrect: Stored procedures cannot be executed within a function. D. Correct: Inserts, updates, and deletes are allowed with local table variables.
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9: Case Scenario Answers
Printing PDF417 In Visual Basic .NET
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Lesson 2
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1. Correct Answer: B A. Incorrect: The ENCRYPTION option causes SQL Server to encrypt the contents of the stored procedure before storing it. B. Correct: The RECOMPILE option causes SQL Server to compile the stored procedure each time it is executed, generating a new query plan for each execution. C. Incorrect: VARYING is a keyword related to the output parameter of the procedure. D. Incorrect: The EXECUTE AS clause specifies the security context for the stored procedure.
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Lesson 3
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1. Correct Answer: C A. Incorrect: Indexes cannot be created within a trigger. B. Incorrect: Backup and restore operations are not allowed within a trigger. C. Correct: Triggers can be used to insert data into tables. D. Incorrect: The structure of a database cannot be changed in a trigger.
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9: Case Scenario Answers
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Case Scenario: Creating Triggers, Functions, and Stored Procedures
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1. Because all changes need to be audited, Contoso should implement DML triggers behind each table that log all changes in a set of audit tables. The company should also implement DDL triggers that prevent any changes to objects (CREATE/ALTER/DROP) within the database so that structural changes can be controlled and audited. 2. Because the patient risk score is a common calculation that should not be left up to each developer to implement, this calculation should be encapsulated in a function. 3. The company should implement stored procedures that SELECT, INSERT, UPDATE, and DELETE data so that users do not need permissions directly to the base tables within the database.
10: Lesson Review Answers
10: Lesson Review Answers
Lesson 1
1. Correct Answers: A and C A. Correct: When the database recovery model is changed from Full to BulkLogged, point-in-time recovery capability is lost and is not reestablished until the recovery model is set back to Full and a log backup is performed. B. Incorrect: Minimal logging does NOT require that a table have a clustered index. In fact, if a table has a clustered index and the table is not empty, minimal logging cannot occur. Also, the database does not have to be in single-user mode for clustered indexes to be created. C. Correct: A table lock can prevent users from accessing the data in the table during the bulk load. D. Incorrect: bcp can be run at any time.
Lesson 2
1. Correct Answers: B and D A. Incorrect: The -T argument specifies that the connection to SQL Server is a trusted connection. Although you need to establish a connection with the SQL Server, it does not necessarily have to be a trusted connection. B. Correct: The -t argument specifies the field terminator or delimiter, and because the default is a tab, not a comma, you must specify this argument. C. Incorrect: The -r argument specifies the row delimiter, which defaults to newline if not specified. Therefore, you do not need to specify this argument. D. Correct: The -F argument specifies which row is the first row bcp should read for import; it defaults to the first row. The data file contains a header row as its first row, so bcp must start the import at the second row.
10: Lesson Review Answers
Lesson 3
1. Correct Answer: B A. Incorrect: The SQL Server service user account cannot be used to verify permissions because the SQL Server 2005 instance is not running in Mixed Mode. B. Correct: File access is verified by using the account of the user who executed the BULK INSERT command. C. Incorrect: The only time permissions would be verified by using the SQL Server Agent service account is if the command is executed by SQL Server Agent as part of a job that did not override the credentials. D. Incorrect: File permissions are always checked because all processes run within a security context.
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