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Part: Recommended (Non-query) Optimisations
This section entitled "Recommended (non-query) optimisations" should be a brief report containing recommended optimisations you would recommend if you had total control of the database implementation. Web references will be permitted for this section, but must be presented using the Harvard System.
Provide recommendations to areas like...
Marks will be awarded for the use of references to reputable sources of information to support your proposals.
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describe objectivde of file organisation
1. Use the Invoice table structure shown below to answer the following questions: a) Draw the dependency diagram and identify the primary key and all dependencies, including al
Define Query by Example QBE is a query language relies upon domain calculus and has two dimensional syntax. The queries are written in the horizontal and vertical dimensions of
What is conceptual schema? The schemas at the view level are known as subschema that describe dissimilar views of the database.
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
define locking in simple language and decribed it
Domain Constraints Domain constraints are primarily formed for defining the logically correct values for an attribute of a relation. The relation allows attributes of a relatio
how to data store?
Question: Using the data model express the following queries in SQL. (a) Create the Table named "Cinema" and make the cinema_code to be the primary key of the relation and
word limit no mentioned
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