DatabaseMetaData: getCatalogs()

 


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

public class Main {

  public static void main(String[] args) throws Exception {
    Connection conn = getMySqlConnection();
    System.out.println("Got Connection.");
    Statement st = conn.createStatement();
    st.executeUpdate("drop table survey;");
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");

    ResultSet catalogs = null;
    DatabaseMetaData meta = conn.getMetaData();
    catalogs = meta.getCatalogs();
     
     while (catalogs.next()) {
       String catalog = catalogs.getString(1);  //"TABLE_CATALOG"
       System.out.println("catalog: "+catalog);
     }
   
    st.close();
    conn.close();
  }

  private static Connection getHSQLConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    System.out.println("Driver Loaded.");
    String url = "jdbc:hsqldb:data/tutorial";
    return DriverManager.getConnection(url, "sa", "");
  }

  public static Connection getMySqlConnection() throws Exception {
    String driver = "org.gjt.mm.mysql.Driver";
    String url = "jdbc:mysql://localhost/demo2s";
    String username = "oost";
    String password = "oost";

    Class.forName(driver);
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

  public static Connection getOracleConnection() throws Exception {
    String driver = "oracle.jdbc.driver.OracleDriver";
    String url = "jdbc:oracle:thin:@localhost:1521:caspian";
    String username = "mp";
    String password = "mp2";

    Class.forName(driver); // load Oracle driver
    Connection conn = DriverManager.getConnection(url, username, password);
    return conn;
  }

}

Related examples in the same category

1.	DatabaseMetaData.columnNullable
2.	DatabaseMetaData: getColumns(String catalog, String schemaPattern, String tableNamePattern, String columnNamePattern)
3.	DatabaseMetaData: getDatabaseMajorVersion()
4.	DatabaseMetaData: getDatabaseMinorVersion()
5.	DatabaseMetaData: getDatabaseProductName()
6.	DatabaseMetaData: getDatabaseProductVersion()
7.	DatabaseMetaData: getDefaultTransactionIsolation()
8.	DatabaseMetaData: getDriverName()
9.	DatabaseMetaData: getDriverVersion()
10.	DatabaseMetaData: getExportedKeys(String catalog, String schema, String table)
11.	DatabaseMetaData: getImportedKeys(String catalog, String schema, String table)
12.	DatabaseMetaData: getIndexInfo(String catalog, String schema, String table, boolean unique, boolean approximate)
13.	DatabaseMetaData: getJDBCMajorVersion()
14.	DatabaseMetaData: getJDBCMinorVersion()
15.	DatabaseMetaData: getMaxCharLiteralLength()
16.	DatabaseMetaData: getMaxRowSize()
17.	DatabaseMetaData: getMaxStatementLength()
18.	DatabaseMetaData: getMaxTablesInSelect()
19.	DatabaseMetaData: getMaxTableNameLength()
20.	DatabaseMetaData: getNumericFunctions()
21.	DatabaseMetaData: getPrimaryKeys(String catalog, String schema, String table)
22.	DatabaseMetaData: getProcedures(String catalog, String schemaPattern, String procedureNamePattern)
23.	DatabaseMetaData: getProcedureTerm()
24.	DatabaseMetaData: getSchemas()
25.	DatabaseMetaData: getSQLKeywords()
26.	DatabaseMetaData: getStringFunctions()
27.	DatabaseMetaData: getSystemFunctions()
28.	DatabaseMetaData: getTableTypes()
29.	DatabaseMetaData: getTablePrivileges(String catalog, String schemaPattern, String tableNamePattern)
30.	DatabaseMetaData: getTables(String catalog, String schemaPattern, String tableNamePattern, String[] types)
31.	DatabaseMetaData: getTimeDateFunctions()
32.	DatabaseMetaData: getTypeInfo()
33.	DatabaseMetaData: getURL()
34.	DatabaseMetaData: getUserName()
35.	DatabaseMetaData: nullsAreSortedHigh()
36.	DatabaseMetaData: supportsANSI92EntryLevelSQL()
37.	DatabaseMetaData: supportsANSI92FullSQL()
38.	DatabaseMetaData: supportsANSI92IntermediateSQL()
39.	DatabaseMetaData: supportsBatchUpdates()
40.	DatabaseMetaData: supportsCoreSQLGrammar()
41.	DatabaseMetaData: supportsExtendedSQLGrammar()
42.	DatabaseMetaData: supportsFullOuterJoins()
43.	DatabaseMetaData: supportsMinimumSQLGrammar()
44.	DatabaseMetaData: supportsMixedCaseQuotedIdentifiers()
45.	DatabaseMetaData: supportsPositionedDelete()
46.	DatabaseMetaData: supportsResultSetConcurrency(int type, int concurrency)
47.	DatabaseMetaData: supportsResultSetHoldability(int holdability)
48.	DatabaseMetaData: supportsResultSetType(int type)
49.	DatabaseMetaData: supportsStatementPooling()
50.	DatabaseMetaData: supportsTableCorrelationNames()
51.	DatabaseMetaData: supportsTransactionIsolationLevel(int level)
52.	DatabaseMetaData: supportsTransactions()

DatabaseMetaData: getCatalogs() : DatabaseMetaData « java.sql « Java by API

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