摘要: 语法: -- CAST Syntax: CAST ( expression AS data_type [ ( length ) ] ) -- CONVERT Syntax: CONVERT ( data_type [ ( length ) ] , expression [ , style ] ) C 阅读全文
posted @ 2018-12-29 10:16 Robot-Blog 阅读(380) 评论(0) 推荐(0) 编辑