Get Database information from DatabaseMetaData : DatabaseMetadata « Database « Java Tutorial

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Java Tutorial » Database » DatabaseMetadata

20. 30. 6. Get Database information from DatabaseMetaData


import java.sql.Connection;

import java.sql.DatabaseMetaData;

import java.sql.DriverManager;



public class Main {

  public static void main(String[] args) throws Exception {

    Connection conn = getConnection();



    DatabaseMetaData mtdt = conn.getMetaData();

    System.out.println("URL in use: " + mtdt.getURL());

    System.out.println("User name: " + mtdt.getUserName());

    System.out.println("DBMS name: " + mtdt.getDatabaseProductName());

    System.out.println("DBMS version: " + mtdt.getDatabaseProductVersion());

    System.out.println("Driver name: " + mtdt.getDriverName());

    System.out.println("Driver version: " + mtdt.getDriverVersion());

    System.out.println("supp. SQL Keywords: " + mtdt.getSQLKeywords());



    conn.close();

  }



  private static Connection getConnection() throws Exception {

    Class.forName("org.hsqldb.jdbcDriver");

    String url = "jdbc:hsqldb:mem:data/tutorial";



    return DriverManager.getConnection(url, "sa", "");

  }

}

URL in use: jdbc:hsqldb:mem:data/tutorial
User name: SA
DBMS name: HSQL Database Engine
DBMS version: 1.8.0
Driver name: HSQL Database Engine Driver
Driver version: 1.8.0
supp. SQL Keywords: BEFORE,BIGINT,BINARY,CACHED,DATETIME,LIMIT,LONGVARBINARY,LONGVARCHAR,OBJECT,OTHER,SAVEPOINT,TEMP,TEXT,TOP,TRIGGER,TINYINT,VARBINARY,VARCHAR_IGNORECASE

20. 30. DatabaseMetadata
	20. 30. 1.	Database Metadata
	20. 30. 2.	Get Table Names from a Database
	20. 30. 3.	Get View Names from a Database
	20. 30. 4.	Get Table and View Names from a Database
	20. 30. 5.	DatabaseMetaData Methods for Database Information
	20. 30. 6.	Get Database information from DatabaseMetaData
	20. 30. 7.	DatabaseMetaData Methods for Information on the Database's Supported Features
	20. 30. 8.	DatabaseMetaData Methods for Information on the Database's Limitations
	20. 30. 9.	Display Database Limitation for your connection
	20. 30. 10.	DatabaseMetaData Methods for Information on the Database's Contents
	20. 30. 11.	Display Database contents for current connection
	20. 30. 12.	Get table information from DatabaseMetaData
	20. 30. 13.	Get procedure information from DatabaseMetaData
	20. 30. 14.	Listing All Non-SQL92 Keywords Used by a Database
	20. 30. 15.	Listing the String Functions Supported by a Database: retrieves a list of string functions that a database supports.
	20. 30. 16.	Listing the Numeric Functions Supported by a Database
	20. 30. 17.	Listing the System Functions Supported by a Database
	20. 30. 18.	Listing the Time and Date Functions Supported by a Database
	20. 30. 19.	Getting the Maximum Table Name Length allowed in a Database
	20. 30. 20.	Listing Available SQL data Types Used by a Database
	20. 30. 21.	Get system functions supported by database
	20. 30. 22.	Get the max concurrent connection to a database
	20. 30. 23.	Get database maximum table name length
	20. 30. 24.	Get numeric functions supported by database
	20. 30. 25.	If database support batch update
	20. 30. 26.	Get data types supported by database
	20. 30. 27.	Get date time functions supported by database
	20. 30. 28.	Detect if a table exists
	20. 30. 29.	Get string functions supported by database

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