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select trunc(5.75),trunc(5.75,1),trunc(5.75,-1),trunc(556.234,-2) from dual;
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TRUNC(5.75) TRUNC(5.75,1) TRUNC(5.75,-1) TRUNC(556.234,-2)
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SQL> select trunc(sysdate,'yyyy'), round(sysdate,'yyyy') from dual;
TRUNC(SYSDATE, ROUND(SYSDATE,
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1import java.sql.*;
2import java.util.logging.Level;
3import java.util.logging.Logger;
4
5/** *//**
6 * Title: JDBCÁ¬½ÓÊý¾Ý¿â
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8 */
9public class JDBCExampl ......
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