Oracle OCP 19c 认证1Z0-082考试题库(第27题)-CUUG内部学员版082题库解析 27、Evaluate the following SQL statement: SQL> select cust_id, cust_last_name "Last name" FROM customers WHERE country_id = 10 UNION SELECT cust_id CUST_NO, cust_last_name FROM customers WHE
26、Which two statements are true about the ORDER BY clause when used with a SQL statement containing a SET operator such as UNION? (Choose two.) A. Column positions must be used in the ORDER BY clause B. Only column names from the first SELECT statement i
22、Choose three Which three are true about dropping columns from a table? A) A column can be removed only if it contains no data. B) A column drop is implidtly committed C) A column that is referenced by another column in any other table cannot be dropped
17. Examine the following command: CREATE TABLE ( prod_id number(4), Prod_name varchar2 (20), Category_id number(30), Quantity_on_hand number (3) INVISIBLE); Which three statements are true about using an invisible column in t he PRODUCTS table? A. The %R
今天分享一个匿名的听歌音乐室，大家都不知道彼此是谁，但可以在这个快时代下试着慢下来，把音乐室当作一个电台，一起听歌。 地址：参见文末图 “一起听歌吧”是一个可以同步在线听音乐聊天的网站，非常小众，用户量很少，房间也很少。首页展示着一个一个听歌房间，没有密码的房间可以直接进去
1.从计算的角度, 算子以外的代码都是在Driver端执行, 算子里面的代码都是在Executor端执行。那么在scala的函数式编程中，就会导致算子内经常会用到算子外的数据，这样就形成了闭包的效果，如果使用的算子外的数据无法序列化，就意味着无法传值给Executor端执行，就会发生错误，所以需要在执行
10.Which three functions are performed by dispatchers in a shared server configuration? (Choose three.) A. writing inbound request to the common request queue from all shared server connections B. checking for outbound shared server responses on the commo
Which three statements are true concerning logical and physical database structures? (Choose three.) A. All tablespaces may have one or more data files B. The extents of a segment must always reside in the same datafile C. A smallfile tablespace might be
In the spfile of a single instance database, LOCAL_LISTENER is set to LISTENER_1. The TNSNAMES.ORA file in $ORACLE_HOME/network/admin in the database home contains: LISTENER_1= (ADDRESS= (PROTOCOL=TCP) (HOST=host1.abc.com) (PORT=1521) ) Which statement is
4.Which two statements are true about date/time functions in a session where NLS_DATE_FORMAT is set to DD-MON-YYYY HH24:MI:SS? (Choose two.) A. CURRENT_TIMESTAMP returns the same date and time as SYSDATE with additional details of fractional seconds B. SY
删除排序链表中的重复元素 II 题目描述：存在一个按升序排列的链表，给你这个链表的头节点 head ，请你删除链表中所有存在数字重复情况的节点，只保留原始链表中 没有重复出现 的数字。 返回同样按升序排列的结果链表。 示例说明请见LeetCode官网。 来源：力扣（LeetCode） 链接：https://leetco
Oracle OCP 19c 认证1Z0-082考试题库(第6题)-CUUG整理 You have been tasked to create a table for a banking application. One of the columns must meet three requirements: Be stored in a format supporting date arithmetic without using conversion functions Store a lo
Oracle OCP 19c 认证1Z0-082考试题库（第5题）-CUUG收集整理 5.A database is configured to use automatic undo management with temporary undo enabled. An UPDATE is executed on a temporary table. Where is the UNDO stored? A. in the undo tablespace B. in the SYSAUX table
图形视图框架(Graphics View Framework)提供了一个用于管理大量定制2D图形图元(Item)并与之交互的表面(surface)。以及一个可用于可视化这些图元的视图(View)部件，它支持缩放和旋转。 该框架包含一个事件传播体系结构，该体系结构允许对场景(Scene)中的图元进行精确的交互。在其中
初学耗时：0.5h 注：CSDN手机端暂不支持章节内链跳转，但外链可用，更好体验还请上电脑端。 一、到各个目录下通过sz下载获取安装包所需文件 1.1 sz文件展示。 1.2 azkaban-exec-server存放目录。 1.3 azkaban-web-server存放目录。 1.4 azkaban-solo-serv
参考https://www.cnblogs.com/CloudMan6/p/7683190.html cAdvisor 是google 开发的容器监控工具，下面我们开始安装和体验 cAdvisor root@host1:~# cat in_cAdvisor.sh docker run \ --volume=/:/rootfs:ro \ --volume=/var/run:/var/run:rw \ --volume=/sys:/
