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Oracle INSTR 這是一段真實的911電話記錄: “您好,這裡是舊金山報警專線——” “天哪,我前男友他......我之前也給你們打過電話......我前男友他剛剛從前門闖進來了......!" 一陣Oracle INSTR The syntax for Oracle INSTR function is as follows: instr (s1, s2, st, t) The Oracle INSTR function is similar to the SUBSTR, except instead of returning the sub string, Oracle INSTR returns the location of the string. SELECT INSTR('Now is th...
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