摘要:
SELECT trim(to_char(round(35363.2224, 2), '000000000.00')) FROM dual; 阅读全文
摘要:
replace('data1','data2','data3');用data3 替换 data1 中的 data2 字符串;例:replace('abcdefg','a','x');结果:xbcdefg 阅读全文