一個85歲老太婆和25歲年輕人發生親密關係,隔天年輕人死了,法醫檢查時發現一個驚人的秘密...
SQL SERVER – Find Length of Text Field | Journey to SQL Authority with Pinal Dave 翻拍自百度快照 1、一個85歲的老太婆和一個25歲青年上了床 ,第二天,那個青年死了,法醫鑒定,結果: 食物中毒。(吃了過期的奶) 2、領導家宴,小姨子幫忙端菜,一客人打賭 說:你把小姨子的奶摸一下,我喝To measure the length of VARCHAR fields the function LEN(varcharfield) is useful. To measure the length of TEXT fields the function is DATALENGTH(textfield). Len will not work for text field. Example: SELECT DATALENGTH(yourtextfield) AS TEXTFieldSize ......
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