01 2019 档案

Firebird 备份与恢复
摘要：备份test 恢复为test1 阅读全文

posted @ 2019-01-20 14:29 jonney_wang 阅读(423) 评论(5) 推荐(0)

sql 等额本息
摘要：/* 等额本息计算还款额 a 贷款总额 b 月利率 m 贷款月数 */ execute block returns (result double precision) as declare a int = 100; -- 单位 = 万 declare b double precision = 4.9; declare m int = 240; begin :a = :a *... 阅读全文

posted @ 2019-01-04 16:45 jonney_wang 阅读(981) 评论(0) 推荐(0)

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