Database Programming

Propagation means triggering ie something which fires automatically. Thepropogation of operation is applied with aggregation, if some operation is applied with the high level aggrigate the same operation will be performed with all lower aggregates. For example in aggregation between document and paragraph if we will perform an operation copy with document it will automatically applied with paragraph also. This propagation of operation.

kailash

Unless I am mistaken. A group(ed) file is named based upon the "type" of host program or directory you are downloading it from, or keeping it on. Whether it be a music, or video file. It really just depends.

entity is an object with physical existence(car, house, person) or with conceptual existence (company, university course)

local studies about enrollment system

work

Edit mode

A data flow diagram for ordering supplies for a barber shop would include key processes such as "Identify Supply Needs," "Place Order," and "Receive Supplies." The flow would show data inputs like "Current Inventory" and "Supplier Information" feeding into the "Identify Supply Needs" process. Outputs from "Place Order" would include "Order Confirmation" sent to suppliers, while the "Receive Supplies" process would involve updating "Inventory Records." Arrows would indicate the flow of information between these processes and external entities like suppliers.

If the dropped table is a base table for a view , then dbms like oracle invalidates these dependent views but does not drop them. But you cannot use these unless you re-create the table.

making the system available

fixed length database

mandatory and optional

Five key corporate planning objects:

a. Organizational units, which are the various organizational departments

b. Organizational locations, which are the places at which business operations occur

c. Business functions, which are related groups of business processes that support the mission of the organization (Note that business functions are different from organizational units; in fact, a function may be assigned to more than one organizational unit. For example: product development, a function, may be the joint responsibility of the sales and manufacturing departments.)

d. Entity types, which are major categories of data about the people, places, and things managed by the organization

e. Information systems, which are the application software and supporting procedures for handling sets of data

press the shift Bar and then the : colon Bar and the press shift and the nine at the same time and it will automatically change to a round smiley face isn't that cool

The judge has a passive role in the adversary system and an active one in the inquisitorial. The counsel has an active role in the adversary and a passive role in the inquisitorial. In adversary, the burden of proof rests on the accuser whereas in the inquisitorial the burden of proof rests on noone. Adversary systems can have juries.

it describes the instance of one entity is associated with each instances of an entity

depending upon the range of cardinality constraints are two types

they are

minimum cardinality

maximum cardinality

The answer is similar to the functions of DBMS

Data Storage, Retrieval and Update

A User-Accessible Catalog

Transaction Support

Concurrency Control Services

Recovery Services

Authorization Services

Support for Data Communication

Integrity Services

Services to Promote Data Independence

Utility Services

-Afif Omar IIUM 2011/2012 (AAFCO)

Data Normalization - is the process of evaluating and correcting table structures to minimize data redundancies and reduce data anomalies (insert, update and delete).

It works through a series of stages called normal forms, typically 1,2 and 3 and uses the technique of identifying functional dependency to check compliance at each stage.

Basically it attempts to store data only once and in the correct place, so that when any changes are made to the database there is no chance that there is another copy of this information stored somewhere else and hence could lead to the above mentioned (insert, update and delete) anomalies.

Basic surface entities refer to fundamental elements that can be observed or identified on a surface. These typically include features such as texture, color, shape, and material composition. In various fields, such as materials science, geography, and computer graphics, understanding these entities helps in analyzing and interpreting surface characteristics and behaviors. They serve as the foundational components for more complex surface interactions and analyses.

yes

A spreadsheet is one example. All the data is in a single table.

A View is similar to a Table and can be mistaken for a table by a novice application developer.

CREATE VIEW VIEW_NAME AS SQL QUERY

Here the SQL Query includes the Select query on a table that is to be displayed as a View.

The view is a read only structure that only displays contents from a table and the user cannot insert or update or delete any data in the underlying table.

Views are generally created to impose access restrictions to a specific subset of users whom you do not want to give full access but at the same time want them to view the data.