尊龙凯时人生就是博

mysqlÖÐcallµÄÓ÷¨

mysql ÖÐ call Óï¾äÓÃÓÚŲÓô洢Àú³Ì»òº¯Êý £¬ÓÃÓÚ½ç˵Ԥ½ç˵µÄ sql Óï¾ä×é ¡£°ì·¨ÈçÏ£º1. ½¨Éè´æ´¢Àú³Ì»òº¯Êý£»2. ±àд call Óï¾ä £¬Ö¸ÃüÃû³ÆºÍ²ÎÊý£»3. Ö¸¶¨Óë²ÎÊýÀàÐÍÎÂ˳ÐòÏàÆ¥ÅäµÄ²ÎÊýÖµ£»4. Ö´ÐÐ call Óï¾ä ¡£

MySQL ÖÐ CALL µÄÓ÷¨

CALL Óï¾äÓÃÓÚŲÓô洢Àú³Ì»òº¯Êý £¬´æ´¢Àú³Ì»òº¯Êý°üÀ¨Ò»×éÔ¤ÏȽç˵µÄ SQL Óï¾ä ¡£CALL Óï¾äµÄÓï·¨ÈçÏ£º

CALL [schema_name.]procedure_name(argument_list);

µÇ¼ºó¸´ÖÆ

ÆäÖУº

schema_name ÊÇ´æ´¢Àú³Ì»òº¯ÊýËùÔÚµÄģʽÃû³Æ£¨¿ÉÑ ¡£©

procedure_name ÊÇ´æ´¢Àú³Ì»òº¯ÊýµÄÃû³Æ

argument_list ÊÇ´æ´¢Àú³Ì»òº¯ÊýµÄ²ÎÊýÁÐ±í£¨¿ÉÑ ¡£©

ÏÂÃæÏêϸÏÈÈÝʹÓà CALL Óï¾äµÄ°ì·¨£º

1. ½¨Éè´æ´¢Àú³Ì»òº¯Êý

ÔÚŲÓô洢Àú³Ì»òº¯Êý֮ǰ £¬ÐèÒªÏȽ¨ÉèËü ¡£¿ÉÒÔʹÓà CREATE PROCEDURE »ò CREATE FUNCTION Óï¾ä½¨Éè ¡£

2. ±àд CALL Óï¾ä

ʹÓà CALL Óï¾äŲÓô洢Àú³Ì»òº¯Êýʱ £¬ÐèÒªÖ¸¶¨ÆäÃû³ÆºÍ²ÎÊý£¨ÈôÊÇÐèÒª£© ¡£

3. Ö¸¶¨²ÎÊý

´æ´¢Àú³Ì»òº¯Êý¿ÉÒÔ½ÓÊܲÎÊý ¡£ÔÚ CALL Óï¾äÖÐ £¬²ÎÊýÖµ±ØÐèÓë´æ´¢Àú³Ì»òº¯ÊýÖÐÉùÃ÷µÄ²ÎÊýÀàÐÍÎÂ˳ÐòÏàÆ¥Åä ¡£

4. Ö´ÐÐ CALL Óï¾ä

CALL Óï¾ä¿ÉÒÔͨ¹ýÒÔÏ·½·¨Ö´ÐУº

ÔÚ MySQL ÏÂÁîÌáÐÑ·ûÏÂÖ´ÐУºCALL procedure_name(argument_list);

ÔÚÓ¦ÓóÌÐòÖÐ×÷Ϊ SQL Óï¾äÖ´ÐÐ

ʾÀý

ÒÔÏÂʾÀýŲÓÃÃûΪ get_customer_details µÄ´æ´¢Àú³Ì £¬¸Ã´æ´¢Àú³Ì»ñÈ¡Ö¸¶¨¿Í»§µÄÏêϸÐÅÏ¢£º

CALL get_customer_details(10);

µÇ¼ºó¸´ÖÆ

ÔÚÉÏÃæµÄʾÀýÖÐ £¬10 ÊÇÒª»ñÈ¡ÆäÏêϸÐÅÏ¢µÄ¿Í»§ ID ¡£´æ´¢Àú³Ì·µ»ØÒ»¸öЧ¹û¼¯ £¬ÆäÖаüÀ¨¸Ã¿Í»§µÄÏêϸÐÅÏ¢ ¡£

×¢ÖØ£º

CALL Óï¾ä·µ»ØÒ»¸öÓï¾äÍê³É±ê¼Ç £¬Ö¸Ê¾ÊÇ·ñÀÖ³ÉÖ´ÐÐÁË´æ´¢Àú³Ì»òº¯Êý ¡£

ÈôÊÇ´æ´¢Àú³Ì»òº¯Êý·µ»ØÈκÎÊä³ö²ÎÊý»òЧ¹û¼¯ £¬¿ÉÒÔʹÓà SELECT Óï¾ä¼ìË÷ËüÃÇ ¡£

ÒÔÉϾÍÊÇmysqlÖÐcallµÄÓ÷¨µÄÏêϸÄÚÈÝ £¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí £¬°æȨÕùÒéÓë±¾Õ¾ÎÞ¹Ø £¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í尊龙凯时人生就是博ÂËÓÍ»úÍø¹Ù·½Ì¬¶È £¬Çë¶ÁÕß½ö×ö²Î¿¼ ¡£±¾ÎĽӴýתÔØ £¬×ªÔØÇë˵Ã÷À´ÓÉ ¡£ÈôÄúÒÔΪ±¾ÎÄÇÖÕ¼ÁËÄúµÄ°æȨÐÅÏ¢ £¬»òÄú·¢Ã÷¸ÃÄÚÈÝÓÐÈκÎÉæ¼°ÓÐÎ¥¹«µÂ¡¢Ã°·¸Ö´·¨µÈÎ¥·¨ÐÅÏ¢ £¬ÇëÄúÁ¬Ã¦ÁªÏµ尊龙凯时人生就是博ʵʱÐÞÕý»òɾ³ý ¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ尊龙凯时人生就是博

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

ÊÂÇéʱ¼ä£ºÖÜÒ»ÖÁÖÜÎå £¬9:30-18:30 £¬½ÚãåÈÕÐÝÏ¢

QR code
sitemap¡¢ÍøÕ¾µØͼ