Retrieving All Rows from a Database Table

Here, you will learn how to retrieve all rows from a database table. You know that table contains the data in rows and columns format. If you want to access the data from a table then you need to use some APIs and methods. See brief descriptions for retrieving all rows from a database table as below:

Description of program:

Program establishes the connection between MySQL database and java file so that the we can retrieve all data from a specific database table. If any exception occurs then shows a message "SQL code does not execute.".

Description of code:

executeQuery(String sql):
This method executes the SQL statement and returns a single ResultSet object. It takes string type parameter for executing the SQL statement.

SELECT * FROM table_name:
Above code retrieves all data from specific database table.

getInt(String column_name):
This method is of  java.sql.ResultSet interface that takes string type parameter and returns an integer type values.

getString(String column_name):
This method is same as getInt() method but it returns the string type values.

Here is the code of program:

Output of program:

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