Connection: setAutoCommit(boolean autoCommit) : Connection « java.sql « Java by API






Connection: setAutoCommit(boolean autoCommit)

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

public class Main {
  public static void main(String[] args) throws Exception {
    Connection conn = getHSQLConnection();

    conn.setAutoCommit(false);
    Statement st = conn.createStatement();
    st.executeUpdate("create table survey (id int,name varchar(30));");
    st.executeUpdate("insert into survey (id,name ) values (1,'nameValue')");
    st = conn.createStatement();
    ResultSet rs = st.executeQuery("SELECT * FROM survey");

    outputResultSet(rs);

    rs.close();
    st.close();
    conn.close();
  }

  private static void outputResultSet(ResultSet rs) throws Exception {
    ResultSetMetaData rsMetaData = rs.getMetaData();
    int numberOfColumns = rsMetaData.getColumnCount();
    for (int i = 1; i < numberOfColumns + 1; i++) {
      String columnName = rsMetaData.getColumnName(i);
      System.out.print(columnName + "   ");

    }
    while (rs.next()) {
      for (int i = 1; i < numberOfColumns + 1; i++) {
        System.out.print(rs.getString(i) + "   ");
      }
      System.out.println();
    }

  }

  private static Connection getHSQLConnection() throws Exception {
    Class.forName("org.hsqldb.jdbcDriver");
    String url = "jdbc:hsqldb:mem:data/tutorial";

    DriverManager.setLoginTimeout(60); // fail after 60 seconds

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

   
    
  








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1.Connection.TRANSACTION_NONE
2.Connection.TRANSACTION_READ_COMMITTED
3.Connection.TRANSACTION_READ_UNCOMMITTED
4.Connection.TRANSACTION_REPEATABLE_READ
5.Connection.TRANSACTION_SERIALIZABLE
6.Connection: close()
7.Connection: commit()
8.Connection: createStatement()
9.Connection: createStatement(int resultSetType, int resultSetConcurrency)
10.Connection: getAutoCommit()
11.Connection: getCatalog()
12.Connection: getMetaData()
13.Connection: getTransactionIsolation()
14.Connection: getWarnings()
15.Connection: nativeSQL(String sql)
16.Connection: prepareCall(String sql)
17.Connection: prepareStatement(String sql)
18.Connection: rollback()
19.Connection: rollback(Savepoint savepoint)
20.Connection: setSavepoint(String name)
21.Connection: setTransactionIsolation(int level)