Answer:
A programming language is a formal language comprising a set of strings that produce various kinds of machine code output. Programming languages are one kind of computer language, and are used in computer programming to implement algorithms. Most programming languages consist of instructions for computers
Answer:
︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎
︎
︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎
︎
︎ ︎ ︎︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎ ︎
Answer:
d. Data reader, Data Adapter
Explanation:
Data Reader statements are used to sequentially read streams of data from a database into a program.
It provides an easy way to read data from a data source or database in a one way direction.
Data Adapter:
DataAdapter is an object used in a disconnected data environment and can be seen as a link between a data sourc and this disconnected data class.
It clearly identifies commands, brings data from the database and then populates these data in the data set.
An example of their usage in Microsoft Visual C# (winforms) is
SqlConnection connect = new SqlConnection ("connection string");
connect.Open();
SqlCommand command = new SqlCommand("SQL Query", connect);
SqlDataReader reader = command.ExecuteReader();
.....
.........
Data Adapter
SqlConnection connect = new SqlConnection ("connection string");
connect.Open();
SqlDataAdapter adapter = new SqlDataAdapter("SQL Query", connect);
DataSet dset = new DataSet();
adapter.Fill(dset);
........
............
