How to retrive a single data from a database
Answer / Ankit Chaturvedi
To retrieve a single row (or record) of data from a database, you typically execute a SQL SELECT statement that includes the WHERE clause to filter the results. Here's an example using Java and JDBC:
```java
import java.sql.*;
public class SingleDataQuery {
public static void main(String[] args) throws Exception {
String url = "jdbc:mysql://localhost/myDatabase";
String user = "username";
String password = "password";
String query = "SELECT * FROM myTable WHERE id = 123"; // Replace 'id' and '123' with the appropriate column name and value.
Connection conn = DriverManager.getConnection(url, user, password);
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery(query);
if (rs.next()) {
System.out.println("ID: " + rs.getInt("id"));
System.out.println("Name: " + rs.getString("name"));
// Print other columns as needed
} else {
System.out.println("No data found.");
}
}
}
| Is This Answer Correct ? | 0 Yes | 0 No |
Define ddl and dml.
What is the difference between a MESSAGEBOX and an ALERT ?
What is the role of database server in database management system?
Explain degree of a relation?
What is indexing in database with example?
What are different types of joins in the sql?
what are the different kinds of indexing?
How do I delete a database in phpmyadmin?
Describe the differences between vertical and horizontal portioning.
Can you explain insert, update and delete query?
What are cursors give different types of cursors?
What are the ways to tune reporting services?
Oracle (3253)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)