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Write short notes on relational model
The relational model uses a collection of tables to show both data and the relationships between those data. The relational model is an example of a record based model.
how many hourse have been spent on a certain project
examples of fields in a database
The Assessment page has a link to download a conceptual model, and a list of data. You are to map this conceptual model, and create the database in Oracle using your own DDL. T
What is the disadvantage of a call by reference? During a call by reference damage or loss of data is not restricted to the subroutine, but will instantly lead to alters to th
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
I need help with data warehousing and business intelligence course project about designing a data warehouse for a jewelry company that does not have one
A Structure of a dependency diagram
DDL Compiler The DDL compiler changes the data definition statements (such as CREATE TABLE .... in SQL) into a set of tables having metadata tables. These tables have infor
Explain the disadvantages of a file processing system? Ans: Disadvantages of File Processing Systems include: 1) Data Redundancy 2) Data Inconsistency 3) Difficult to acce
how to write tables and drow E-R diagrams for hosiptal management system and how to normalize and cardinalities?
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