摘要：
字符串首字符索引为 0; Character Fields: C,N, D, T, string (CNDT=> CN Data Time) 1. 字符串连接 CONCATENATE dobj1 dobj2 ... INTO result [IN { BYTE | CHARACTER } MODE] [SEPARATED BY sep... 阅读全文
posted @ 2009-04-15 17:09
levin
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