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ratna rathor
Removing character from a string in sql.
1 Answer(s)      2 years and 3 months ago
Posted in : SQL


How to remove or replace character from a string?


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May 22, 2012 at 6:51 PM


SELECT REPLACE('Data is now going to change!','change','')

Here you are removing change from your string ?'Data is now going to change!? by replacing 'change' to the blank space.

You can also use REPLACE() for replacing any content in database. Here is example?

Example :

public class RemoveCharSql {
    public static void main(String[] args) {
        Connection connection = null;
        String url = "jdbc:mysql://localhost:3306/";
        String dbName = "test";
        String driver = "com.mysql.jdbc.Driver";
        String userName = "root";
                String password = "root";
        try {
            Class.forName(driver).newInstance();
            connection = DriverManager.getConnection(url + dbName, userName,
                    password);
            Statement statement = connection.createStatement();

            statement.executeUpdate("Update user Set name = replace(name,'mandy' , 'Raj')");
            System.out.println("Updated");

        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

Description: user is your table and you are going to replace name ?mandy? to ?Raj?. You can also remove it by putting Blank space ??.



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