How is a connection to a database established in JDBC?Question 6Answera.Using ConnectionFactoryb.Through DriverManagerc.Using SQLConnectiond.Through DataSource
Question
How is a connection to a database established in JDBC?
Question 6
Answer
- a. Using ConnectionFactory
- b. Through DriverManager
- c. Using SQLConnection
- d. Through DataSource
Solution
Establishing a connection to a database in JDBC is typically done through the DriverManager. Here are the steps:
-
Load the JDBC driver: The first step is to load the JDBC driver using the
Class.forName()
method. This method is used to load the driver class dynamically at runtime. For example,Class.forName("com.mysql.jdbc.Driver");
-
Create a Connection: After loading the driver, a connection is established by using the
DriverManager.getConnection()
method. This method requires a database URL, which varies depending on your DBMS, username, and password. For example,Connection con = DriverManager.getConnection("jdbc:mysql://localhost:3306/myDatabase", "username", "password");
So, the correct answer to your question is b. Through DriverManager.
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