DatabaseMetaData: getMaxRowSize() : DatabaseMetaData « java.sql


 



import java.sql.Connection;

import java.sql.DatabaseMetaData;

import java.sql.ResultSet;

import java.sql.Statement;



import javax.naming.Context;

import javax.naming.InitialContext;

import javax.sql.DataSource;



public class Main {



  public static void main(String[] argv) {

    Connection connection = null;

    Statement statement;

    ResultSet rs;

    try {

      Context ctx = new InitialContext();

      DataSource ds = (DataSource) ctx.lookup("java:comp/env/jdbc/AccountsDB");

      connection = ds.getConnection();



      DatabaseMetaData md = connection.getMetaData();

      statement = connection.createStatement();



      System.out.println("getURL() - " + md.getURL());

      System.out.println("getUserName() - " + md.getUserName());

      System.out.println("getDatabaseProductVersion - " + md.getDatabaseProductVersion());

      System.out.println("getDriverMajorVersion - " + md.getDriverMajorVersion());

      System.out.println("getDriverMinorVersion - " + md.getDriverMinorVersion());

      System.out.println("nullAreSortedHigh - " + md.nullsAreSortedHigh());



      System.out.println("<H1>Feature Support</H1>");

      System.out.println("supportsAlterTableWithDropColumn - "

          + md.supportsAlterTableWithDropColumn() + "<BR>");

      System.out.println("supportsBatchUpdates - " + md.supportsBatchUpdates());

      System.out.println("supportsTableCorrelationNames - " + md.supportsTableCorrelationNames());

      System.out.println("supportsPositionedDelete - " + md.supportsPositionedDelete());

      System.out.println("supportsFullOuterJoins - " + md.supportsFullOuterJoins());

      System.out.println("supportsStoredProcedures - " + md.supportsStoredProcedures());

      System.out.println("supportsMixedCaseQuotedIdentifiers - "

          + md.supportsMixedCaseQuotedIdentifiers());

      System.out.println("supportsANSI92EntryLevelSQL - " + md.supportsANSI92EntryLevelSQL());

      System.out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar());

      System.out.println("getMaxRowSize - " + md.getMaxRowSize());

      System.out.println("getMaxStatementLength - " + md.getMaxStatementLength());

      System.out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect());

      System.out.println("getMaxConnections - " + md.getMaxConnections());

      System.out.println("getMaxCharLiteralLength - " + md.getMaxCharLiteralLength());



      System.out.println("getTableTypes()");

      rs = md.getTableTypes();

      while (rs.next()) {

        System.out.println(rs.getString(1));

      }

      System.out.println("getTables()");

      rs = md.getTables("accounts", "", "%", new String[0]);

      while (rs.next()) {

        System.out.println(rs.getString("TABLE_NAME"));

      }

      System.out.println("Transaction Support");

      System.out.println("getDefaultTransactionIsolation() - "

          + md.getDefaultTransactionIsolation());

      System.out.println("dataDefinitionIgnoredInTransactions() - "

          + md.dataDefinitionIgnoredInTransactions());



      System.out.println("General Source Information");

      System.out.println("getMaxTablesInSelect - " + md.getMaxTablesInSelect());

      System.out.println("getMaxColumnsInTable - " + md.getMaxColumnsInTable());

      System.out.println("getTimeDateFunctions - " + md.getTimeDateFunctions());

      System.out.println("supportsCoreSQLGrammar - " + md.supportsCoreSQLGrammar());



      System.out.println("getTypeInfo()");

      rs = md.getTypeInfo();

      while (rs.next()) {

        System.out.println(rs.getString(1));

      }

    } catch (Exception e) {

      e.printStackTrace();

    }

  }



}
DatabaseMetaData: getMaxRowSize() : DatabaseMetaData « java.sql « Java by API
