User-defined aggregates are a feature of the Extensibility Framework.It is possbile to make user define Aggregate function because of Oracle's Data Cartridge model which takes advantage of object types and other extensibility features. Inorder to create user-defined aggregate function, we need to i...
I’ve always appreciated the CREATE OR REPLACE functionality in Oracle for views, packages and triggers, and I’ve often wanted a similar CREATE OR REPLACE TABLE. Many times, I’ll find myself needing to quickly drop and re-create a table while I’m designing it. This is tedious, becaus...
For example, assume that you create the ACCOUNTS_STAFF view, as given in a previous example. You also grant several object privileges to roles and other users. However, now you realize that you must redefine the ACCOUNTS_STAFF view to correct the department number specified in the WHERE ...
The New Project wizard in the IDE includes a new project type for Oracle Database applications. To create an Oracle Database project, do the following:Choose File -> New Project. On the Choose Project page of the New Project wizard, select the C/C++/Fortran category and the C/C++ Data...
delimit the expression, the right part after the ; is the ruond to apply, and this formula is directly made by an application user when a product is created.And the formula could be very different. I have began to try to create a function by parsing my string, but currently It's ...
Indexes. They're one of the most powerful and misunderstood aspects of SQL performance. In this post we'll look at the purpose of an index, how to create and choose choose your index type. Then finish with a discussion of how to decide what to index and
A cluster volume manager disk group oracle-dg controls the data which is replicated by the Hitachi TrueCopy device group VG01. The nodelist of the Oracle Real Application Clusters framework resource group is set to all nodes of the cluster. Create the protection group on the primary cluster ...
Oracle Solaris Zones technology isolates software applications and services using flexible, software-defined boundaries, which enables you to create many private execution environments within a single instance of Oracle Solaris. Deploying applications within Oracle Solaris Zones offers many advantages, such as...
How to Create a Snapshot With the Oracle ILOM Web Interface Caution - You should not run this utility unless requested to do so by Oracle Services. Before You Begin This procedure requires Administration (a) permission. Log in to the Oracle ILOM web interface. Select Snapshot from the Mainte...
"The function evaluation requires all threads to run" while accessing music library through wmp.dll "The left-hand side of an assignment must be a variable, property or indexer". Help? "The remote server returned an error: (401) Unauthorized" "Typewriter" like effect in a C# Console appli...