我已经安装了 Oracle 12C 标准版。那里一切正常。我还连接了 Oracle SQL Developer Client 4.0。从中我可以访问表、索引等。 我试图通过单击“查看”->“DBA”菜单从 SQL Developer Client 中查看表空间详细信息。通过单击此菜单,不会打开任何内容。 通过EM 我可以看到那些。但是我想看透SQL开发人员。 我不确定是否...
SQL> drop table tv; Table dropped. SQL> create table tv (t1 int) tablespace users parallel; Table created. /* 为tv表指定了parallel为DEFAULT DEGREE */ 接着在PL/SQL DEVELOPER中CTRL+左键点击TV可以进入TV对象的属性界面,点击View SQL可以看到PL/SQL DEVELOPER生成的DDL语句: -- Create table create ...
When trying to make an http request from my Oracle database running inside a Docker container, I received the following error: SQL> select utl_http.request('http://api.open-notify.org/iss-now.json') from dual; Error starting at line : 1 in command - select utl_http.request('http://...
one could combine the notion of the helper component and the business delegate and implement the business delegate as a specialized type of helper. One major distinction between a helper and a business delegate, though, is as follows: A helper component is written by a developer working in the...
问执行Sql代码"Create or replace view..“的过程EN写在前面的话：有时不理解SQL语句各个部分执行顺序...
Entity objects are required for all Oracle Business Intelligence view objects to support SQL pruning of declarative view objects and to leverage many Fusion specific features. For more information see "Creating a Business Domain Layer Using Entity Objects" in Oracle Fusion Middleware Fusion Developer's...
This chapter describes advanced techniques you can use while designing and working with your ADF view objects in an Oracle ADF application.
【DB笔试面试677】在Oracle中,对于一个NUMBER(1)的列,若WHERE条件是大于3和大于等于4,这二者是否等价? ♣题目部分在Oracle中,对于一个NUMBER(1)的列,如果查询中的WHERE条件分别是大于3和大于等于4,那么这二者是否等价?♣ 答案部分 首先对于查询结果而言,二者没有任何区别。...从这一点上讲无论是...
V_O_AMT NUMBER(8,2); BEGIN . . . . This is a new feature of Oracle 12 C to allow functions/procedures inside a with clause. I am trying to create a view out of this with clause query. This executes successfully when I run the script from SQL* Plus or SQL Developer. But this ...
This presentation is a bit different in that we are usually talking to DBA's about MySQL. Since this is a developer's conference, we are going to be looking at replication from a developer's point of view. So, we aren't going to spend a lot of time on how to configure replication...