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1.
What is ADO.NET and what are its main components?
Answer:
ADO.NET Fundamentals
- 2.
How does ADO.NET differ from classic ADO?
Answer: - 3.
What is the role of the DataSet in ADO.NET?
Answer: - 4.
Explain the differences between DataSet and DataReader.
Answer: - 5.
What are the key classes in ADO.NET?
Answer: - 6.
What is the use of the Connection object in ADO.NET?
Answer: - 7.
How do you handle transactions in ADO.NET?
Answer: - 8.
Describe the Connection Pooling in ADO.NET and how it can be configured.
Answer: - 9.
What is the purpose of Command objects in ADO.NET?
Answer: - 10.
Can you explain what a DataAdapter does in ADO.NET?
Answer: - 11.
What is a DataRelation object in a DataSet?
Answer: - 12.
How do you filter and sort data in a DataSet?
Answer:
ADO.NET Advanced Features
- 13.
What is a DataProvider and how do you choose one?
Answer: - 14.
Can you define what a Parameterized Query is in ADO.NET?
Answer: - 15.
Explain how to implement optimistic concurrency in ADO.NET.
Answer: - 16.
Describe how to use the SqlBulkCopy class.
Answer: - 17.
What are Typed and Untyped DataSets?
Answer: - 18.
Explain the process of updating a database with changes from a DataSet.
Answer: - 19.
Describe how to handle NULL database values in ADO.NET.
Answer: - 20.
What is the role of the Entity Framework in ADO.NET?
Answer: - 21.
How do you use Transactions with a DataAdapter?
Answer: - 22.
What is a Connection String and what are the common parameters that it may contain?
Answer:
ADO.NET Connection and Command
- 23.
How do you open and close a database connection in ADO.NET?
Answer: - 24.
Explain the ExecuteNonQuery, ExecuteScalar and ExecuteReader methods of the Command object.
Answer: - 25.
What is the purpose of the IDbConnection and IDbCommand interfaces?
Answer: - 26.
Discuss how CommandBehavior affects the behavior of data readers.
Answer: - 27.
What are the differences between ExecuteScalar, ExecuteReader, and ExecuteXmlReader?
Answer: - 28.
How do you create and use a stored procedure with ADO.NET?
Answer: - 29.
What are prepared statements and how do you use them in ADO.NET?
Answer:
ADO.NET DataAdapter and DataSet
- 30.
How does a DataAdapter manage the connection to a data source?
Answer: - 31.
Explain the Fill method of DataAdapter and how it populates a DataSet or DataTable.
Answer: - 32.
How do you update the underlying data source with changes in a DataSet?
Answer: - 33.
What is a DataSet schema and how is it created and used?
Answer: - 34.
How can you merge contents of two DataSets?
Answer: - 35.
Discuss ways to improve the performance of DataSet objects.
Answer: - 36.
How do you ensure that your ADO.NET application is scalable?
Answer:
ADO.NET Transaction and Concurrency
- 37.
What is an Isolation Level in transactions? List the different types.
Answer: - 38.
Describe the difference between pessimistic and optimistic concurrency control.
Answer: - 39.
How can you implement batch updates in ADO.NET?
Answer:
ADO.NET with XML
- 40.
Explain how ADO.NET interacts with XML.
Answer: - 41.
What is an XML Schema Definition (XSD) and how can it be used with ADO.NET?
Answer: - 42.
How do you read and write XML data with ADO.NET?
Answer:
ADO.NET Exceptions and Error Handling
- 43.
How do you handle exceptions in ADO.NET?
Answer: - 44.
What are the common exceptions you might encounter when using ADO.NET and how do you handle them?
Answer: - 45.
How do you perform error logging in ADO.NET applications?
Answer:
ADO.NET Best Practices
- 46.
What is the recommended way to secure your ADO.NET connection strings?
Answer: - 47.
What are the best practices for using ADO.NET in high-performance applications?
Answer: - 48.
How can you minimize the use of resources when working with ADO.NET?
Answer: - 49.
Can you explain the use of Using statement in connection and command objects?
Answer: - 50.
What are some common performance considerations when using ADO.NET?
Answer:
ADO.NET Data Types and Constraints
- 51.
What is the difference between a DataSet and a DataTable?
Answer: - 52.
How do you add a new DataColumn to a DataTable?
Answer: - 53.
Describe the role of the DataView in ADO.NET.
Answer: - 54.
What are the constraints in a DataSet and how do they work?
Answer: - 55.
What data types can be used within a DataTable?
Answer:
ADO.NET Data Relationships
- 56.
How do you define a relationship between tables in a DataSet?
Answer: - 57.
What is a ForeignKeyConstraint and how do you use it in ADO.NET?
Answer: - 58.
Describe how to navigate through master-detail records in a DataSet.
Answer:
ADO.NET and LINQ (Language Integrated Query)
- 59.
What is LINQ to DataSet and how do you use it?
Answer: - 60.
How do LINQ queries differ when used with DataSet vs. DataReader?
Answer: - 61.
Explain the role of DataContext in LINQ to SQL.
Answer: - 62.
Describe how you would perform a join between two DataTables using LINQ.
Answer:
ADO.NET Asynchronous Operations
- 63.
How do you perform asynchronous data operations in ADO.NET?
Answer: - 64.
Explain the impact of async/await keywords on database operations.
Answer: - 65.
What methods support asynchronous execution in SqlCommand?
Answer:
Interacting with Different Databases
- 66.
How would you switch between different database systems using ADO.NET?
Answer: - 67.
What changes might be required when moving from a SQL Server database to Oracle using ADO.NET?
Answer: - 68.
Can you explain how to use ADO.NET with a MySQL database?
Answer:
ADO.NET Entity Framework
- 69.
How does ADO.NET Entity Framework differ from ADO.NET?
Answer: - 70.
What is the Code First approach in Entity Framework and how does it work with ADO.NET?
Answer: - 71.
Explain the Database First approach in Entity Framework.
Answer: - 72.
What are Entity Framework migrations and how do they integrate with ADO.NET?
Answer:
Advanced ADO.NET Techniques
- 73.
How do you handle bulk insert operations with ADO.NET?
Answer: - 74.
Can you explain the use of Table-Valued Parameters in ADO.NET?
Answer: - 75.
Describe the process of implementing a Custom Data Provider for ADO.NET.
Answer: - 76.
How do you implement Full-Text Search queries within ADO.NET?
Answer:
ADO.NET Performance Tuning
- 77.
What are some methods to profile and tune the performance of ADO.NET applications?
Answer: - 78.
How would you use caching to enhance the performance of an ADO.NET application?
Answer: - 79.
What are some common anti-patterns that degrade ADO.NET performance?
Answer:
ADO.NET Security
- 80.
Discuss the security considerations when using ADO.NET to connect to a database.
Answer: - 81.
How do you use Windows Authentication with ADO.NET?
Answer: - 82.
Explain how to encrypt sensitive ADO.NET configuration information.
Answer: - 83.
What is SQL Injection and how can ADO.NET help prevent it?
Answer:
ADO.NET Integration and Interoperability
- 84.
How do you integrate ADO.NET with other .NET Framework components?
Answer: - 85.
Can ADO.NET interact with RESTful services, and if so, how?
Answer: - 86.
How does ADO.NET support interoperability with non-.NET languages?
Answer:
ADO.NET Deployment and Configuration
- 87.
What are the considerations for deploying an ADO.NET application?
Answer: - 88.
How do you manage database connections and perform versioning in a deployment scenario?
Answer: - 89.
Describe the process of using ADO.NET in a multi-tier application architecture.
Answer:
ADO.NET and Transaction Management
- 90.
What is System.Transactions namespace and how does it relate to ADO.NET?
Answer: - 91.
Explain distributed transaction management with ADO.NET.
Answer:
ADO.NET Object-Relational Mapping (ORM)
- 92.
Define Object-Relational Mapping (ORM) as it pertains to ADO.NET.
Answer: - 93.
How does ADO.NET fit into an ORM strategy?
Answer:
ADO.NET Diagnostic and Troubleshooting
- 94.
How do you troubleshoot connectivity issues in ADO.NET?
Answer: - 95.
What tools can be used for diagnosing problems in an ADO.NET application?
Answer:
ADO.NET Extensibility
- 96.
How can you extend the functionalities of ADO.NET?
Answer: - 97.
What options does ADO.NET provide for custom data serialization?
Answer:
ADO.NET and .NET Framework Integration
- 98.
How does ADO.NET interact with other .NET namespaces and functionalities?
Answer: - 99.
How do you handle data concurrency in .NET applications using ADO.NET?
Answer:
Modern ADO.NET Uses and Practices
- 100.
Describe how modern .NET development practices (like .NET Core and .NET 5/6+) have affected the use and evolution of ADO.NET.
Answer:
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