尊龙凯时人生就是搏

oracleÖÐÅÌËãÁ½¸öÈÕÆÚÖ®¼äÌìÊýµÄº¯Êý

oracle ÖÐÅÌËãÁ½¸öÈÕÆÚÖ®¼äÌìÊýµÄº¯ÊýÊÇ datediff()¡£ÏêϸÓ÷¨ÈçÏ£ºÖ¸×¼Ê±¼ä¾àÀ뵥λ£ºinterval£¨Èç day¡¢month¡¢year£©Ö¸¶¨Á½¸öÈÕÆÚÖµ£ºdate1 ºÍ date2datediff(interval, date1, date2) ·µ»ØÌìÊý²î

Oracle ÖÐÅÌËãÁ½¸öÈÕÆÚÖ®¼äÌìÊýµÄº¯Êý

ÃÕµ×£º

Oracle ÖÐÅÌËãÁ½¸öÈÕÆÚÖ®¼äÌìÊýµÄº¯ÊýÊÇ DATEDIFF()¡£

Ïêϸ˵Ã÷£º

DATEDIFF() º¯ÊýµÄÓ﷨Ϊ£º

DATEDIFF(interval, date1, date2)

µÇ¼ºó¸´ÖÆ

ÆäÖУº

interval ָ׼ʱ¼ä¾àÀëµÄµ¥Î»£¬È磺

day£ºÌì

month£ºÔÂ

year£ºÄê

date1 ºÍ date2 ÊÇÒªÅÌËãÌìÊý²îµÄÁ½¸öÈÕÆÚÖµ¡£

ʹÓÃÒªÁ죺

ÀýÈ磬ҪÅÌËã 2023 Äê 3 Ô 8 ÈÕºÍ 2023 Äê 4 Ô 1 ÈÕÖ®¼äµÄÌìÊý²î£¬¿ÉÒÔʹÓÃÒÔÏ SQL ÅÌÎÊ£º

SELECT DATEDIFF('day', '2023-03-08', '2023-04-01');

µÇ¼ºó¸´ÖÆ

Õ⽫·µ»ØÒÔÏÂЧ¹û£º

24

µÇ¼ºó¸´ÖÆ

×¢ÖØ£º

ÈôÊÇ date1 ´óÓÚ date2£¬ÔòЧ¹ûΪ¸ºÊý¡£

ÈôÊÇ interval Ϊ month »ò year£¬ÔòЧ¹û½«ÊǽüËÆÖµ£¬ÓÉÓÚÔ·ݺÍÄê·ÝµÄ³¤¶È¿ÉÄܲî±ð¡£

DATEDIFF() º¯ÊýÒ²¿ÉÒÔÅÌËãÁ½¸öʱ¼ä´Á£¨TIMESTAMP Êý¾ÝÀàÐÍ£©Ö®¼äµÄÌìÊý²î¡£

ÒÔÉϾÍÊÇoracleÖÐÅÌËãÁ½¸öÈÕÆÚÖ®¼äÌìÊýµÄº¯ÊýµÄÏêϸÄÚÈÝ£¬¸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