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导包 <!--websocket--> <dependency> <groupId>javax.websocket</groupId> <artifactId>javax.websocket-api</artifactId> <version>1.1</version> <scope>provide 阅读全文
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查看 netstat -lnt|grep 端口号 杀掉 kill pid号 pid 阅读全文
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应该也可以加密其他配置,没试过 首先导包 <dependency> <groupId>com.github.ulisesbocchio</groupId> <artifactId>jasypt-spring-boot-starter</artifactId> <version>2.1.2</vers 阅读全文
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#{zd,jdbcType=CLOB}加上数据类型就行了 阅读全文
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先查询某个节点的数据 select * from 表名 as of timestamp to_timestamp('2013-05-29 15:29:00','yyyy-mm-dd hh24:mi:ss'); 进行恢复 flashback table 表名 to timestamp to_times 阅读全文
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DecimalFormat df = new DecimalFormat( "###############0.00 ");// 16位整数位,两小数位String data=df.format(“要转换的double”); 阅读全文
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with tab as ( select ‘2001’ d from dual union all select ‘2002’ d from dual union all select ‘2003’ d from dual union all select ‘2006’ d from dual un 阅读全文
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SELECT * FROM ORGANIZE START WITH PARENT_ID = '1409' CONNECT BY PRIOR PARENT_ID = TID start with 后面,某级以下为ID,某级以上为父ID connect by prior 后面某级以下ID在等号左边,某级 阅读全文
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create materialized view 视图名称refresh force on demandstart with to_date('21-07-2020 22:00:00', 'dd-mm-yyyy hh24:mi:ss') next to_date(concat(to_char(sys 阅读全文
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select * from 表名connect by id = pid start with id = 1; 阅读全文