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25 Cards in this Set
- Front
- Back
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Gets the size in bytes of network packets used to communicate with SQL Server.
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SQLConnection.PacketSize
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Gets the current state of a database connection.
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SQLConnection.State
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How can you encrypt connection Strings?
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By referencing the name of the section in the <protectedData> section of the web.config file
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If you are going to perform bulk operations in a database through a connection what should you do?
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Increase the Packet size
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Creates and returns a SQLCommand object associated with the connection
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SQLConnection.CreateCommand()
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What is the recommended way you should work with connection strings
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Try
Catch Finally conn.close To make sure the connection is closed even if there is an error |
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Gets or Sets how the SQLCommand.CommandText property is interpreted? What is the default?
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SQLCommand.CommandType
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What are the three possible values for the SQLCommand.CommandType
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Text
StoredProcedure TableDirect |
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Under what section in the web.config file are connection strings stored
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<connectionStrings>
<add name=NWind.......... |
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What is the name of the server control that can manage all aspects of data interaction, including connection and command execution.
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Data Source object,
there are five I think |
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Retrieve schema info for the specified scope or database
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SQLConnection.Getschema
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Gets or sets the statement or stored procedure name to execute
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SQLCommand.CommandText
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How can you query or use a connection string stored in the web.config file
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string = ConfigurationManager.ConnectionStrings("NWind").ConnectionString
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Gets the collection of parameters associated with a SQLCommand
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SQLCommand.Parameters
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If a SQLConnection goes out of scope it is closed, true or false
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False, you must explicitly close the connection by calling Close or Dispose
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Name 3 common methods of the SQLCommand Class
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1.) ExecuteReader
2.) ExecuteNonQuery 3.) ExecuteScalar |
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What SQLCommand method returns an integer respresenting the number of rows affected
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ExecuteNonQuery
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What are 4 common properties of the SQLCommand class
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1.) Connection
2.) CommandText 3.) CommandType 4.) Parameters |
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What are two common properties of the SQLDataReader class?
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Item
FieldCount |
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What are two common methods of the SQLDataReader class?
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Read( reads the next row, true if more rows, false if no more)
Close Close the datarReader, not the connection |
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What are two common methods of the SQLDataAdapter class?
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Fill
Update |
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What control is used to read data from a data source into memory and to write in-memory data back to a datasource
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DataAdapter
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What object do you use to fill a dataset?
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SQLDataAdapter.Fill(ds,"MyTable")
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The IListSource interface of the dataset makes it possible to do what?
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return a data-bound list of elements
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gets or sets a value othat indicates whether constraint rules are enforced when attempting an update operation
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Dataset.EnforceConstraints
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