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Relational and E-R Model
There are three types of constraints on relational database that have:
anyone have a textbook solutions case fair, 8 edition of vol 1 ?, please give me
What are the function of DBA?
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
What are shortcomings in structured approach? Structured methodology treats data and their behaviours separately, and this makes it harder to isolate changes. If changes are re
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
Increased overheads on update : On the drawbacks side, it will need the system to ensure that all replicas of a relation are consistent. This shows that all the replicas of the rel
How does a query tree represent a relational algebra expression? Ans: This includes transforming an initial expression (tree) into an equivalent expression (tree) that is
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
Explain the θ-join and equijoin Refer tables Car and Boat which list models of cars and boats and their relevant prices. Assume a customer wants to buy a car and a boat, but sh
1 - Serial RS232 comm port comunication 2 - NanoHTTPD serving a few processed pages 3 - System tray application to indicate status and access configuration forms 4 - SQLit
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