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What is the way a particular application views the data from the database that the application uses?
Sub schema is the way a particular application views the data from the database that the application uses.
what do you mean by primary key constraint?
difference between internal schema and external schema in DBMS
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
A field-groups statement or an insert statement reverses storage space and transfers values. False.
XYZ is a large chain of home entertainment rental over 100 stores distributed over all states in Australia. XYZ lends entertainment products such as movies, TV shows and games on v
For your chosen project, you need to identify the current problem that you wish your project to solve. Produce a Problem Statement. The Problem Statement should explain the purpo
Backward Recovery (UNDO): In this system the uncommitted changes made by a transaction to a database are undone. Instead the system is reset to the last consistent state of databa
Using a database design approach of your choice, produce a logical design for Pharma. 1) Your answer must consist of ONE the following: An entity-relationship (ER) diagra
What is an Index? An index is a small table having only two columns. The first column has a copy of the primary or candidate key of a table and the second column having a set o
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
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