文章浏览阅读1k次。//用do-while语句求1+2+3+…+100的和public void test2(){ int a = 1; int b = 0; do { a=a+b; b++; } while (b<=100); System.out.println(a);}_//用do-while语句求1+2+3+…+100的和 public void test2(){ int a = 0;...
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文章浏览阅读5.6k次。以下面三个表为例：create database jepsondb; grant all privileges on jepsondb.* to jepsonuser@'%' identified by '123456'; flush privileges; 一、部门表：d......
MySQLdeclare语句是我们经常用到的语句，下文就为您举例说明了MySQL declare语句的用法，希望对您学习MySQL declare语句的使用能有所帮助。MySQL declare语句是在复合语句中声明变量的指令。(1)Example with two DECLARE statements两个DECLARE语句的......
文章浏览阅读1.2w次，点赞6次，收藏58次。Hive建内部表-- 创建一个内部表create table if not exists student(id int, name string)row format delimited fields terminated by '\t'stored as textfilelocation '/home/hadoop/hive/warehouse/student';-- 查询表的类型desc formatted stu......
