如何在實現 JDBC - MySQL CONNECTION 查詢時顯示儲存引擎?
使用 SELECT ENGINE 顯示儲存引擎名稱。我們首先建立一個表 -
mysql> create table DemoTable -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Name varchar(20), -> Age int, -> CountryName varchar(20) -> ); Query OK, 0 rows affected (0.63 sec)
下面是使用 JDBC 獲取儲存引擎的 Java 程式碼 -
示例
import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.Statement; public class GetTheStorageEngine { public static void main(String[] args) { String hostURL = "jdbc:mysql://:3306/web?useSSL=false"; Connection con = null; Statement stmt = null; try { con = DriverManager.getConnection(hostURL, "root", "123456"); stmt = con.createStatement(); String yourTablename = "DemoTable"; ResultSet resultSet = stmt.executeQuery("select engine from information_schema.tables where table_name='" + yourTablename + "';"); resultSet.next(); System.out.println("The engine is=" + resultSet.getString(1)); } catch (Exception e) { e.printStackTrace(); } } }
輸出
將生成以下輸出 -
The storage engine is=InnoDB
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