Oracle allows you, with some restrictions, to modify views that involve joins. Consider the following simple view: CREATE VIEW Emp_view AS SELECT Ename, Empno, deptno FROM Emp;This view does not involve a join operation. If you issue the SQL statement: ...
We often have a situation where we need to move the schema from Prod to DEV or from test to another. We will discuss how to import schema in the Oracle database using impdp in this situation How to import schema in Oracle 1. First of all we should take the dump of the schema or f...
It allows the grantee to create, alter, drop and manage database objects. For example, the privileges to create tablespaces and to delete the rows of any table in a database are system privileges. Oracle has more than 100 system privileges (found in the SYSTEM_PRIVILEGE_MAP table). There ...
TEMPORARY TABLESPACE: In the earlier section, we had discussed the definition of the TEMPORARY TABLESPACE. At this point, we will discuss creating a TEMPORARY TABLESPACE in the Oracle database. For example, we will try to create a TEMPORARY TABLESPACE with a size of 4MB with the AUTOEXTEND as...
How to Drop Synonyms in Oracle? In the previous section of the article, we created the synonym using the CREATE SYNONYM statement. Now as we are aware that if we can create a synonym of an object then in the due course we may need to drop the same synonym. In this section of the ...
However, you do not need to download the ojdbc6.jar file, as mentioned in the article, because it is already included in the Oracle Developer Studio IDE. The Help menu in the IDE provides access to extensive information about using the IDE, including how to work with databases. For basic...
If it isn’t there, add the hash in the line “--no-redwood-compat” to ensure the EPAS instance is Oracle-compatible. Note: If you have an installed server, use the initialization cluster option (initdb) with “--no-redwood-compat" to create a non-Oracle-compatible server. By default...
Description:- In Oracle Database 12c Release 1 the concept of multitenant environment has been introduced. The multitenant architecture enables an Oracle database to function as a multitenant container database (CDB) that includes zero, one, or many cust
MySqlConnection cannot be cast to [B]MySQL.Data.MySqlClient.MySqlConnection. [C#] How to make the Console Process delay [C#] Oracle.DataAccess issue - Unhandled exception of type System.TypeInitializationException occured in mscorlib.dll [C#] Regex - Best Validation of Domain? [C#] Upload ...
RunPython(gen_uuid), ] atomic 属性对不支持 DDL 事务的数据库没有影响(例如 MySQL,Oracle)。(MySQL 的 原子性 DDL 语句支持 指向独立的语句,而不是封装在能回滚的事务中的多句语句。)控制迁移顺序¶ Django 不是通过迁移的名字决定迁移执行顺序,而是通过在 迁移 类上使用两个属性: dependencies 和run_...