[root@localhost ~]# yum -y install wget wget http://mirrors.linuxeye.com/oneinstack-full.tar.gz && tar xzf oneinstack-full.tar.gz && ./oneinstack/inst ...
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其他好文 时间:
2018-12-21 19:43:25
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238
软件版本:我用的是python3.7,数据库是oracle12c,cx-oracle7.0 首先安装cx-oracle7.0模块,可以使用pip安装,win+r打开运行,输入cmd,启动命令提示符,在命令提示符里输入pip install cx_Oracle 安装完成后在python交互界面输入im ...
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数据库 时间:
2018-12-21 01:05:24
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243
99. Which two statements are true regarding Oracle Data Pump? (Choose two.) A.EXPDP and IMPDP are the client components of Oracle Data Pump. B.DBMS_DA ...
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其他好文 时间:
2018-12-19 13:08:49
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149
一、没有代理模式 缺点: 1、工作量特别大,如果项目中有多个类,多个方法,则要修改多次。 2、违背了设计原则:开闭原则(OCP),对扩展开放,对修改关闭,而为了增加功能把每个方法都修改了,也不便于维护。 3、违背了设计原则:单一职责(SRP),每个方法除了要完成自己本身的功能,还要计算耗时、延时;每 ...
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编程语言 时间:
2018-12-17 21:34:15
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265
2. View the Exhibit to examine the description for the SALES table. Which views can have all DML operations performed on it? (Choose all that apply.) ...
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其他好文 时间:
2018-12-16 11:52:30
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155
9. View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is owned by the SCOTT user. The SL_REP user executes the foll ...
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其他好文 时间:
2018-12-16 11:52:07
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174
Oracle OCP 11G 051(61题版本)答案解析目录 61题版本 V9.02 1 http://blog.csdn.net/rlhua/article/details/17635843 2 http://blog.csdn.net/rlhua/article/details/1763588 ...
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数据库 时间:
2018-12-16 11:50:16
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164
6. Note the following points describing various utilities in Oracle Database 11g: 1: It enables the high-speed transfer of data from one database to a ...
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其他好文 时间:
2018-12-15 12:01:35
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126
10. Examine the following statement that is used to modify the constraint on the SALES table: SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALI ...
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其他好文 时间:
2018-12-15 11:59:30
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133
67. The instance abnormally terminates because of a power outage. Which statement is true about redo log files during instance recovery? A.Inactive an ...
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其他好文 时间:
2018-12-14 13:05:07
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168