<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[Cindy_Chi的博客]]></title><description><![CDATA[每天进步一点点(￣▽￣)]]></description><link>https://blog.youkuaiyun.com/Cindy_Chi</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Cindy_Chi]]></copyright><item><title><![CDATA[sql执行时间分（ave_time）]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/103197264</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/103197264</guid><author>Cindy_Chi</author><pubDate>Fri, 22 Nov 2019 11:04:08 +0800</pubDate><description><![CDATA[SELECT a.* FROM (
SELECT  v.SQL_TEXT,
    v.sql_fulltext,
    v.FIRST_LOAD_TIME,
    v.last_load_time,
    v.elapsed_time,
    v.cpu_time,
    v.disk_reads,
    v...]]></description><category></category></item><item><title><![CDATA[oracle中number数据类型简单明了解释]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/103197077</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/103197077</guid><author>Cindy_Chi</author><pubDate>Fri, 22 Nov 2019 10:58:32 +0800</pubDate><description><![CDATA[NUMBER （p,s）
p和s范围：
p 1-38
s -84-127

number(p,s),s大于0，表示有效位最大为p，小数位最多为s，小数点右边s位置开始四舍五入，若s&gt;p，小数点右侧至少有s-p个0填充（必须从小数点处开始并连续）。

举例：

number(2,1) 有效位最大为2，小数点后最多保留1位：
存1.115 得1.2
存1.11 的1.1
存1 得1
存0.0...]]></description><category></category></item><item><title><![CDATA[oracle错误ORA-00054: resource busy and acquire with NOWAIT sp]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/101349499</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/101349499</guid><author>Cindy_Chi</author><pubDate>Wed, 25 Sep 2019 10:29:29 +0800</pubDate><description><![CDATA[Oracle杀死锁进程

先查看哪些表被锁住了:
1、获得sid
select b.owner,
b.object_name,
a.session_id,
a.locked_mode from v$locked_object a,
dba_objects b whereb.object_id = a.object_id;


2、获得sid...]]></description><category></category></item><item><title><![CDATA[ORACLE ORA-01653: unable to extend table 的错误(转)转载▼]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/101349434</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/101349434</guid><author>Cindy_Chi</author><pubDate>Wed, 25 Sep 2019 10:27:44 +0800</pubDate><description><![CDATA[ORACLE ORA-01653: unable to extend table的错误

今天用PL SQL Developer往oracle数据库中导入数据时，突然报错，只能终止，错误的具体内容如下：

ORA-01653: unable to extend table USER_DATA.JKHDFXJL by 128 in tablespace MSMS

大概意思是说USER_DATA表...]]></description><category></category></item><item><title><![CDATA[java中代码块的理解]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81483116</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81483116</guid><author>Cindy_Chi</author><pubDate>Tue, 07 Aug 2018 16:31:50 +0800</pubDate><description><![CDATA[ 


public class Demo1{
    static{
        System.out.println(&quot;我爱java,我要学习&quot;);
    }
    public static void main(String[] args) {
        {
            int a=14;
            System.out.println(a);
   ...]]></description><category></category></item><item><title><![CDATA[对于静态变量的理解]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81482967</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81482967</guid><author>Cindy_Chi</author><pubDate>Tue, 07 Aug 2018 16:01:45 +0800</pubDate><description><![CDATA[class Emp{
    
    //非静态的成员变量。
    static    int count = 0;    //计数器
 
    String name;
    
    //构造代码块
    {
        count++;
    }
 
    public Emp(String name){
        this.name = name;
 
    }
...]]></description><category></category></item><item><title><![CDATA[关于栈方法和反射的理解]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81481983</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81481983</guid><author>Cindy_Chi</author><pubDate>Tue, 07 Aug 2018 15:24:54 +0800</pubDate><description><![CDATA[ 

import java.lang.reflect.InvocationTargetException;

public class LegacyStackWalk {
    public static void main(String[] args) {
        m1();
    }
    public static void m1() {
        m2();
    ...]]></description><category></category></item><item><title><![CDATA[Java transient关键字使用小记]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81026292</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/81026292</guid><author>Cindy_Chi</author><pubDate>Fri, 13 Jul 2018 09:41:40 +0800</pubDate><description><![CDATA[https://www.cnblogs.com/lanxuezaipiao/p/3369962.html]]></description><category></category></item><item><title><![CDATA[solr安装过程]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/52208859</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/52208859</guid><author>Cindy_Chi</author><pubDate>Mon, 15 Aug 2016 10:17:58 +0800</pubDate><description><![CDATA[1.下载solr包并解文件夹压
2.复制solr-4.10.4/dist下的solr-4.10.4.war包到tomcat的webapps下
3.选中一个地方建立文件夹solrHome（用来存储数据）
4.复制solr-4.10.4\example\solr下的collection1，txt文件ReadMe.txt,xml文件solr.xml和cfg文件zoo.cfg等到第3部建立的文件夹s]]></description><category></category></item><item><title><![CDATA[ResultSet相关ResultSetMetaData详细]]></title><link>https://blog.youkuaiyun.com/Cindy_Chi/article/details/51774348</link><guid>https://blog.youkuaiyun.com/Cindy_Chi/article/details/51774348</guid><author>Cindy_Chi</author><pubDate>Tue, 28 Jun 2016 11:00:40 +0800</pubDate><description><![CDATA[DatabaseMetaData 有关整个数据库的信息：表名、表的索引、数据库产品的名称和版本、数据库支持的操作。 

ResultSet 关于某个表的信息或一个查询的结果。您必须逐行访问数据行，但是您可以任何顺序访问列。 

ResultSetMetaData 有关 ResultSet 中列的名称和类型的信息。 

尽管每个对象都有大量的方法让您获得数据库元素的极为详细的信息，但在每]]></description><category></category></item></channel></rss>