What is data dependence in database?

An application program that deals with data stored externally to it (such as in a file or a database) includes in its source code some structural definition of that data. The extent to which that program is exposed to changes made to that external source is called data dependence.

What is SQL dependency?

The SqlDependency object represents a query notification dependency between an application and an instance of SQL Server. An application can create a SqlDependency object and register to receive notifications via the OnChangeEventHandler event handler.

What is schema bound dependency SQL Server?

A schema-bound dependency is created when a view or user-defined function is created by using the WITH SCHEMABINDING clause, or when a table references another object through a CHECK or DEFAULT constraint or in the definition of a computed column.

What is mysql database schema?

The mysql schema is the system schema. It contains tables that store information required by the MySQL server as it runs. A broad categorization is that the mysql schema contains data dictionary tables that store database object metadata, and system tables used for other operational purposes.

What is data dependence with example?

Data dependency relations represent the required ordering constraints on the operations in serial loops. An example where data dependencies prohibit vectorization is shown below. In this example, the value of each element of an array is dependent on the value of its neighbor that was computed in the previous iteration.

What is the difference between data dependence and data independence?

Structural independence exists when changes in the database structure do not affect DBMS ability to access data. Structural dependence exists when changes in the database structure do not affect DBMS ability to access data.

What is Oracle DB schema?

A schema is a collection of database objects. A schema is owned by a database user and has the same name as that user. You can create and manipulate schema objects with SQL or with Oracle Enterprise Manager. The underlying SQL is generated for you by Oracle Enterprise Manager.