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drop table test;create table test(name varchar(20),kemu varchar(20),score number);insert into test values('testa','yuwen',10);insert into test values(... 阅读全文
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本文讲述Oracle分析函数用法,首先建库:Sql代码createtableearnings--打工赚钱表(earnmonthvarchar2(6),--打工月份areavarchar2(20),--打工地区snovarchar2(10),--打工者编号snamevarchar2(20),--打工者... 阅读全文
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createtablestudentInfo(idnumber(8)primarykey,namevarchar2(20)notnull,ObjectNamevarchar2(20)notnull,fenshuvarchar2(2)notnull);insertintostudentInfovalu... 阅读全文
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package demo.mytest;import java.io.Serializable;import java.util.LinkedHashMap;import java.util.concurrent.locks.Lock;import java.util.concurrent.lock... 阅读全文
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package demo.annotation;import java.lang.annotation.Documented;import java.lang.annotation.ElementType;import java.lang.annotation.Retention;import ja... 阅读全文
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package test.lucene;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputSt... 阅读全文