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     ÜÉ  1  Ýý       öüÄõ
                 1.1     ÇéÓìÇóÄ÷âõÇãæñÕèÕ»
                 1.2     Å¿Ù¯  DEC Rdb/Hanyu
                 1.3     üÏÆüë©ÍüÌÏòãë¨Ø¹ÕÉ
                 1.4     Çã  AXP  ÌÏ  VAX  ÑÞé¬åúÜÚÄãËðÆî  DEC
     Rdb/Hanyu
  
     ÜÉ  2  Ýý       ÇéÓìÇóÄ÷âõæñÕèÕ»
                 2.1     ÇéÓìÇóÄ÷âõ
                        2.1.1.   ÇéÓìËéÑúÇóÄ÷âõ
                        2.1.2.   ÙòÇóÄ÷âõÑÀÌùá¿è×æãßæ
                        2.1.3.   ÇóÄ÷âõÎûüÊòÒÇØê¢
                        2.1.4.   ÝÃÌùÅÉËÆ
                 2.2     ÐúÇ¡æñÕèÕ»
                        2.2.1.   ËðÆîÇéÓìËéÑúÇóÄ÷âõÐúÇ¡æñÕèÕ»
                        2.2.2.   ÇãĬÈíÄ÷ÍÐÇóÄ÷ÄãÑÀÌùÇóÄ÷ÎûÏÛÐù
                        2.2.3.   ÅèÇóÄ÷âõÐúÇ¡ÌùåøÙÑ
                        2.2.4.   ÐúÇ¡ÄØÑÀÌùÇóÄ÷âõÎûúñÈíÏÐÖª
                 2.3     ݨܡæñÕèÕ»
                        2.3.1.   ßÆÄ«ÌÏóô×ÄÄâÇÑÇóÄ÷âõÎûí°Ô«
                        2.3.2.   üÏÆüÇéÓìÇóÄ÷âõ
                        2.3.3.   ËðÆîè×Ë÷âûÊ©
                 2.4     ä»Åü×ä
                        2.4.1.  CHARACTER_LENGTH
                        2.4.2.  OCTET_LENGTH
                        2.4.3.  UPPER
                        2.4.4.  LOWER
                        2.4.5.  TRANSLATE
                        2.4.6.  SUBSTRING
                        2.4.7.   ÇóÈëÝÙá¸
                        2.4.8.  LIKE  ÓÝë£

     Ïáòç  A       Rdb/Hanyu 4.1  ÎêæñÕèÕ»
                 A.1    ÇóÄ÷âõüÊòÒÇØê¢
                 A.2    æñÕèÕ»÷ËßÐ
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       ÏÐ  2-1   ÅÅßÎÎûÇóÄ÷âõ
       ÏÐ  2-2   ÇóÄ÷âõÄùÇóÄ÷ËðÆîÎûĬÈíÄ÷í°Æø
       ÏÐ  2-3   ÅÉËÆÝÃÌù
       ÏÐ  2-4   ÇóÄ÷÷©úÁÇØê¢
       ÏÐ  2-5   Ý×ØÙÇóÄ÷
       ÏÐ  A-1   êØüÊòÒÇØê¢  RDB$CHARACTER_SET  ÇÑá«Îû     ÆßíýÇØê¢