Podcast
Questions and Answers
Which of the following methods is used to read the next line from a stream?
Which of the following methods is used to read the next line from a stream?
- Peek
- Flush
- Read (correct)
- Seek
The Hashtable stores data in a sorted order based on keys.
The Hashtable stores data in a sorted order based on keys.
False (B)
What is the purpose of the SQLDataReader in database programming?
What is the purpose of the SQLDataReader in database programming?
To read data in a forward-only stream from a SQL Server database.
The ___ operator is used to declare an event in C#.
The ___ operator is used to declare an event in C#.
Match the following SQL commands with their functions:
Match the following SQL commands with their functions:
Flashcards
Hashtable
Hashtable
A collection that allows accessing items using their unique keys, typically strings.
Queue
Queue
A data structure that follows the First-In, First-Out (FIFO) principle. Think of a queue in a store.
List
List
A collection that allows storing elements in a specific order, accessible by its index.
SQLCommand Object
SQLCommand Object
Used to execute commands (queries, stored procedures) against a database.
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SQLDataReader Object
SQLDataReader Object
Allows reading data from a database in a forward-only, read-only manner, improving performance.
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Exam Coverage: Delegate and Events - Database Programming
- Multiple Choice Section A (15 items x 2 points): Focuses on fundamental database programming concepts.
- Data Structures: Covers
IEnumerable,ICollection,IDictionary,SortedList. - Exceptions: Includes commonly used exception handling.
- Command Object Properties: Examines crucial command object properties.
- Stream Operations: Tests understanding of
Seek,Peek,Read, andFlush. - Hashtables: Focuses on
Hashtable(key/value pairs). - Datasets: Covers
DataSet,DataTable,DataColumn,DataRelation,DataColumnMapping, andDataView. - SQL Components: Includes
SQLDataReader,SQLCommand. - Event Handling: Assesses knowledge of event operators.
- SQLConnection Attributes: Examines SQL connection attributes.
- Assembly Files: Includes file extension knowledge for assemblies.
Multiple Choice Section B (15 items x 3 points):
- Database Programming Syntax: Includes retrieval/setting
Read Timeout,StreamWriterinitialization, checking for readable input, importing MS SQL Server classes, and thread instantiation syntax. - Database Connection: Requires knowledge of correct database connection code.
- Queue Operations: Tests understanding of
dequeue/enqueueoperations. - SQL Commands: Covers
insert into,update,delete, andselectcommands. - SQL Parameter Handling: Involves creating
SQLParameterobjects. - Data Structures: Evaluates understanding of
Stackinstantiation. - Stored Procedures: Tests ability to execute stored procedures.
- Thread Management: Focuses on assigning threads.
- Error Handling: Assesses proficiency in using
try/catchblocks. - Database Schema: Involves understanding commands for
deleteandcreatedatabases.
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