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Briefly explain each of the following database terms. Use no more than 2-3 lines for each term.
1. DBMS
2. Update Anomaly
3. Alias (referring to tables in SQL queries)
4. DDL
5. Domian
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
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
what is relationship inheritance and attribute inheritance
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
Explain Superkey Ans: A superkey is described in the relational model of database organization like a set of attributes of a relation variable for which it holds that in all re
How external/conceptual mapping and conceptual /internal mapping is performed
Describe Graphical User Interface? Graphical User Interfaces (GUIs) - A GUI typically displays a schema to the user in diagrammatic form. The user can then specify a query th
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
example of embedded SQL query
Define Aggregate functions and what aggregate functions supported by the MySQL To calculate a summary value from a set of individual values and uses one of the functions known
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