Use DatabaseMetaData to get table column names : Column « Database SQL JDBC « Java

Use DatabaseMetaData to get table column names


import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;

public class Main {
  private static final String DRIVER = "com.mysql.jdbc.Driver";

  private static final String URL = "jdbc:mysql://localhost/testdb";

  private static final String USERNAME = "root";

  private static final String PASSWORD = "";

  public static void main(String[] args) throws Exception {
    Connection connection = DriverManager.getConnection(URL, USERNAME, PASSWORD);

    DatabaseMetaData metadata = connection.getMetaData();
    ResultSet resultSet = metadata.getColumns(null, null, "users", null);
    while ( {
      String name = resultSet.getString("COLUMN_NAME");
      String type = resultSet.getString("TYPE_NAME");
      int size = resultSet.getInt("COLUMN_SIZE");

      System.out.println("Column name: [" + name + "]; type: [" + type + "]; size: [" + size + "]");


Related examples in the same category

1.Get Column Corresponding Class Name
2.Get Column Detail Information
3.Get Column Display
4.Get Column Label
5.Get Column Name
6.Get Column Name And Type For A Table
7.Get Column Name From ResultSet Metadata
8.Get Column Number Of Digits To Right Of The Decimal Point
9.Get Column Number Of Presions Number Of Decimal Digits
11.Get Column Privileges
12.Get Column Size
13.Get Column Sql Data Type
14.Get Column SQL Type Name
15.Get Column Type
16.Get Table Optimal Set Of Columns
17.Is Column A Cash Value
18.Is Column Auto Increase
19.Is Column Case Sensitive
20.Is Column Definitely Writable
21.Is Column Nullable
22.Is Column Nullable From ResultSet Metadata
23.Is Column Readonly
24.Is Column Searchable
25.Is Column Signed Number
26.Is Column Writable
27.Make Unique Column in Database Table
28.Remove Unique Column in Database Table
29.Arrange a Column of Database Table
30.Change Column Name of a Table
31.Sum of Column in a Database Table
32.Delete a Column from a Database Table
33.Adding a New Column Name in Database Table
34.Designated column's table name
35.If a table column can have a null value or not?
36.If a table column value is auto-increment?
37.Get Column Names From ResultSet for MySQL