Which of the following namespace is used for better performance when connecting to SQL Server?
SqlDataAdapter is used in conjunction with SqlConnection and SqlCommand to increase performance when connecting to a SQL Server database.
What is SQL namespace?
Entity SQL introduces namespaces to avoid name conflicts for global identifiers such as type names, entity sets, functions, and so on. The namespace support in Entity SQL is similar to the namespace support in the . NET Framework.
How do I connect to existing SQL Server?
Right-click the SQL Server node in SQL Server Object Explorer and select Add SQL Server. In the Connect to Server dialog box, enter the Server name of the server instance you want to connect to, your credentials, and click Connect.
What is use of select query in Ado net?
This object is used to execute a SQL command or stored procedure against a database and return appropriate results. The SqlCommand object provides methods such as ExecuteReader(), ExecuteNonQuery() and ExecuteScalar() that actually execute these queries.
What is ado net full form?
ActiveX Data objects for the . NET Framework (ADO.NET) is the latest database access technology from Microsoft. … Although ADO.NET stands for Active Data Objects.NET, it’s perhaps misnamed because ADO.NET is not an ActiveX/Component Object Model (COM) technology.
What is namespace example?
In computing, a namespace is a set of signs (names) that are used to identify and refer to objects of various kinds. … Prominent examples for namespaces include file systems, which assign names to files. Some programming languages organize their variables and subroutines in namespaces.
What is the purpose of a namespace?
A namespace is a declarative region that provides a scope to the identifiers (the names of types, functions, variables, etc) inside it. Namespaces are used to organize code into logical groups and to prevent name collisions that can occur especially when your code base includes multiple libraries.
What is a namespace in computer science?
Namespace (computer science) For namespaces in general, see Namespace. A namespace (sometimes also called a name scope) is an abstract container or environment created to hold a logical grouping of unique identifiers or symbols (i.e., names).
How do I connect to SQL Server for the first time?
Connect to a SQL Server instance
The first time you run SSMS, the Connect to Server window opens. If it doesn’t open, you can open it manually by selecting Object Explorer > Connect > Database Engine. For Server type, select Database Engine (usually the default option).
How do I connect to a local MySQL server?
To connect to MySQL Server:
- Locate the MySQL Command-Line Client. …
- Run the client. …
- Enter your password. …
- Get a list of databases. …
- Create a database. …
- Select the database you want to use. …
- Create a table and insert data. …
- Finish working with the MySQL Command-Line Client.
How do I find my local server name for SQL Server?
How to check SQL server version name using command prompt?
- Step 1 -Open a command prompt window on the machine in which SQL is installed. …
- Step 2 -SQLCMD -S servernameinstancename (where servernameb= the name of your server, and instancename is the name of the SQL instance). …
- Step 3 -select @@version.
Is ADO.NET still used?
3 Answers. Yes it is still used in some situations. At my day job we have a couple cases where we use SQL Bulk Copy which requires good ole’ Connections and Commands. Additionally, there are some new datatypes in SQL 2008 R2 (Geography, Geometry, Hierarchy) that don’t have support in Entity Framework.