What does the Initial Catalog parameter define in the connection string?

1 Answer

Answer :

The database name to connect to.

Related questions

Description : What does the Initial Catalog parameter define in the connection string?

Last Answer : The database name to connect to. 

Description : C# provides a default constructor for me. I write a constructor that takes a string as a parameter, but want to keep the no parameter one. How many constructors should I write? 

Last Answer : Two. Once you write at least one constructor, C# cancels the freebie constructor, and now you have to write one yourself, even if there’s no implementation in it.

Description : Define what is the difference between string keyword and System. String class?

Last Answer : String keyword is an alias for System. String class. Therefore, the System. String and string keyword are the same, and you can use whichever naming convention you prefer. The String class provides many methods for safely creating, manipulating, and comparing strings.

Description : What’s the implicit name of the parameter that gets passed into the set method/property of a class?

Last Answer : Value. The data type of the value parameter is defined by whatever data type the property is declared as.

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Last Answer : A property is not classified as a variable – it can’t be ref or out parameter. 

Description : If I have a constructor with a parameter, do I need to explicitly create a default constructor?

Last Answer : Yes

Description : What is an out parameter? 

Last Answer : An out parameter allows an instance of a parameter object to be made inside a method. Reference parameters must be initialised but out gives a reference to an uninstanciated object.

Description : What is a reference parameter? 

Last Answer : Reference parameters reference the original object whereas value parameters make a local copy and do not affect the original. Some example code is shown: using System; namespace Console1 { class Class1 { ... public string TestValue; } The output for this is: 2 1 New value New value

Description : What’s the implicit name of the parameter that gets passed into the set method/property of a class?

Last Answer : Value. The data type of the value parameter is defined by whatever data type the property is declared as.

Description : What’s the implicit name of the parameter that gets passed into the class’ set method?

Last Answer : Value, and it’s datatype depends on whatever variable we’re changing. 

Description : Briefly explain how to convert a string representation of a number to a numeric type, such as an Integer or a Double.

Last Answer : All numeric data types have a Parse method that accepts a string parameter and returns the value represented by that string cast to the appropriate data type. You can use the Parse method of each data type to convert strings to that type.

Description : What’s the advantage of using System.Text.StringBuilder over System.String? 

Last Answer : StringBuilder is more efficient in the cases, where a lot of manipulation is done to the text. Strings are immutable, so each time it’s being operated on, a new instance is created.

Description : What’s the advantage of using System.Text.StringBuilder over System.String?

Last Answer : StringBuilder is more efficient in cases where there is a large amount of string manipulation. Strings are immutable, so each time a string is changed, a new instance in memory is created.

Description : What’s the difference between System.String and System.Text.StringBuilder classes?

Last Answer : System.String is immutable. System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed.

Description : How can you implement a mutable string? 

Last Answer : System.Text.StringBuilder 

Description : Name a few string properties.

Last Answer : trim, tolower, toupper, concat, copy, insert, equals, compare. 

Description : Is string Unicode, ASCII, or something else? 

Last Answer : Unicode

Description : string is an alias for what?

Last Answer : System.String 

Description : What’s the advantage of using System.Text.StringBuilder over System.String?

Last Answer : StringBuilder is more efficient in cases where there is a large amount of string manipulation. Strings are immutable, so each time a string is changed, a new instance in memory is created. 

Description : What’s the difference between System.String and System.Text.StringBuilder classes?

Last Answer : System.String is immutable. System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed.

Description : What’s the difference between System.String and System.StringBuilder classes?

Last Answer : System.String is immutable, System.StringBuilder was designed with the purpose of having a mutable string where a variety of operations can be performed.

Description : Is String is Value Type or Reference Type in C#?

Last Answer : A string is an object(Reference Type).

Description : What is a pre-requisite for connection pooling?

Last Answer : Multiple processes must agree that they will share the same connection, where every parameter is the same, including the security settings. The connection string must be identical.

Description : What does the Dispose method do with the connection object? 

Last Answer : Deletes it from the memory. To Do: answer better. The current answer is not entirely correct.

Description : What is a pre-requisite for connection pooling?

Last Answer : Multiple processes must agree that they will share the same connection, where every parameter is the same, including the security settings. The connection string must be identical.

Description : What does the Dispose method do with the connection object? 

Last Answer : Deletes it from the memory. To Do: answer better. The current answer is not entirely correct.

Description : What is purpose of Assembly Linker or define SDK Tool in .NET Framework?

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Description : Write code to define and use your own custom attribute.

Last Answer : (From MSDN) // cs_attributes_retr.cs using System; [AttributeUsage(AttributeTargets.Class|AttributeTargets.Struct, AllowMultiple=true)] public class Author : Attribute { public Author(string name) { this.name ... double version; string name; public string GetName() { return name; } }

Description : Define what are the difference between const and readonly?

Last Answer : A const cannot be static, while readonly can be static. A const need to be declared and initialized at declaration only, while a readonly can be initialized at the declaration or by the code in the ... A const's value is evaluated at design time, while a read-only value is evaluated at runtime.

Description : Define what are the advantages of getting and set properties in C#?

Last Answer : 1. The get property accessor is used to return the property value. 2. The set property accessor is used to assign a new value.

Description : Define what is a New modifier?

Last Answer : The new modifier hides a member of the base class. C# supports only hide by signature.

Description : Define what is the Static Method?

Last Answer : It is possible to declare a method as Static provided that they don’t attempt to access any instance data or other instance methods.

Description : Define what is the difference between an abstract method & virtual method?

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Description : Define what is the difference between a class and an Interface?

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Description : Define what are sealed classes in c#?

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Description : Define what is a basic difference between the while loop and do-while loop in C#?

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Description : Define what is the difference between compile-time polymorphism and run-time polymorphism?

Last Answer : Compile time Polymorphism Compile time Polymorphism also known as method overloading. Method overloading means having two or more methods with the same name but with different signatures. Run time ... or more methods with the same name, same signature but with a different implementation.

Description : Define what are the different types of polymorphism?

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Description : Define what is Generic?

Last Answer : 1. Generic help us to create flexible strong type collection. 2. Generic basically separate the logic from the datatype in order to maintain better reusability, better maintainability, etc.

Description : Define what are constructors and destructors?

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Description : Define what is the difference between Shadowing and Overriding?

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Description : Define what is meant by data encapsulation?

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