尊龙凯时人生就是搏

oracleÔõôɾ³ý±íÖÐÊý¾Ý

ɾ³ý oracle ±íÊý¾ÝÓÐÈýÖÖÒªÁ죺ɾ³ýËùÓÐÐУ¨delete from table_name;£©¡¢É¾³ýÌض¨ÐУ¨delete from table_name where condition;£©ºÍɾ³ý±í£¨drop table table_name;£©£¬ÆäÖÐɾ³ý±íΪ²»¿ÉÄæ²Ù×÷£¬ÐèÒªÉóÉ÷²Ù×÷¡£

ÔõÑùɾ³ý Oracle ±íÖеÄÊý¾Ý

ɾ³ýËùÓÐÐÐ

Ҫɾ³ý±íÖеÄËùÓÐÐУ¬ÇëʹÓÃÒÔÏÂÏÂÁ

DELETE FROM table_name;

µÇ¼ºó¸´ÖÆ

ÀýÈ磺

DELETE FROM employees;

µÇ¼ºó¸´ÖÆ

ɾ³ýÌض¨ÐÐ

Ҫɾ³ý±íÖÐÖª×ãÌض¨Ìõ¼þµÄÐУ¬ÇëʹÓÃÒÔÏÂÏÂÁ

DELETE FROM table_name
WHERE condition;

µÇ¼ºó¸´ÖÆ

Ìõ¼þ¿ÉÒÔÊÇ×Ö¶ÎÃû³Æ¡¢ÔËËã·ûºÍÖµ¡£

ÀýÈ磺

DELETE FROM employees
WHERE department_id = 10;

µÇ¼ºó¸´ÖÆ

ɾ³ý±í

Ҫɾ³ýÕû¸ö±í£¨°üÀ¨±íÖеÄÊý¾Ý£©£¬ÇëʹÓÃÒÔÏÂÏÂÁ

DROP TABLE table_name;

µÇ¼ºó¸´ÖÆ

ÀýÈ磺

DROP TABLE employees;

µÇ¼ºó¸´ÖÆ

ÖÒÑÔ£º ɾ³ý±íÊÇÒ»¸ö²»¿ÉÄæµÄ²Ù×÷¡£ÔÚÖ´ÐÐɾ³ý²Ù×÷֮ǰ£¬ÇëÈ·±£Òѱ¸·ÝÊý¾Ý¡£

ÒÔÉϾÍÊÇoracleÔõôɾ³ý±íÖÐÊý¾ÝµÄÏêϸÄÚÈÝ£¬¸ü¶àÇë¹Ø×¢±¾ÍøÄÚÆäËüÏà¹ØÎÄÕ£¡

ÃâÔð˵Ã÷£ºÒÔÉÏչʾÄÚÈÝȪԴÓÚÏàÖúýÌå¡¢ÆóÒµ»ú¹¹¡¢ÍøÓÑÌṩ»òÍøÂçÍøÂçÕûÀí£¬°æȨÕùÒéÓë±¾Õ¾Î޹أ¬ÎÄÕÂÉæ¼°¿´·¨Óë¿´·¨²»´ú±í尊龙凯时人生就是搏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尊龙凯时人生就是搏ʵʱÐÞÕý»òɾ³ý¡£

Ïà¹ØÐÂÎÅ

ÁªÏµ尊龙凯时人生就是搏

18523999891

¿É΢ÐÅÔÚÏß×Éѯ

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

QR code
sitemap¡¢ÍøÕ¾µØͼ