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-Access to a file depends on its structure i.e. adding customer date-of-birth field to customer file require the five steps described in slide 29. the reason for this is that the file structure is coded within the program
-Changes in database structure affect program's ability to access data i.e. changing field from integer to decimal required changes in all the files. the reason for this is that the file data characteristics are coded within the program.
What else can I help you with?
What is data dependency in DBMS?
Data dependency in DBMS refers to the relationship between different data elements within a database. There are three main types: functional dependency (one attribute determines another), partial dependency (part of a composite key determines other attributes), and transitive dependency (dependency between non-key attributes). Understanding data dependencies is crucial for database normalization and maintaining data integrity.
What is data dependency?
It is like a dependent variable it is just a variable alone.
What is the difference between OLAP and data mining?
difference between Data Mining and OLAP
What is the difference between allocation and search data structure?
difference between serch data structure and allocation data structure
What is the difference between data communication and data communication information2010to2013?
The scope of work and the educational requirements are the difference between data communication and data communication information.
What is the primary role of xml?
Exchanging data between systems with no dependency on software platforms and other incompatibility issues.
What is the difference between primary data and secondary data Don't make it complicated please?
The difference between primary data and secondary data is that primary data is the information from the original research.
What is data in software?
Coupling is a measure of the relationship or dependency between two modules. Data Coupling occurs between two modules when data is passed by parameters using a simple argument list and every item in the list is used.
What is data coupling in Software?
Coupling is a measure of the relationship or dependency between two modules. Data Coupling occurs between two modules when data is passed by parameters using a simple argument list and every item in the list is used.
Expalain the difference between cyclical and seasonal variations in a data series?
Expalain the difference between cyclical and seasonal variations in a data series?
Type of data communication?
What is the difference between data communication and telecommunication ?
What is the difference between data and explanation?
data-wee explanation-poo
