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What three major types of actions includes databases? Briefly discuss these
The three major types of actions including databases are:
(i) Defining: It includes specifying the data types, structures and constraints of data types, structures and constraints the data to be stored within the database.
(ii) Manipulating: It involves functions such as querying the database to retrieve specific data updating the database to reflect changes within the miniworld and generating reports form data.
(iii) Sharing: It permits multiple users and programs to access the database at the same time.
Compare three clustering algorithms in Weka. For this comparison, you will need to use at least two different datasets. Run the algorithms on the datasets, and use the visual
The ABC Bank authority now wants to create a database for their customers. So you are requested to modify your program of Assignment A3 as follows. The main program first displa
The domain that you will model in this assignment is that of courses and students at a university. So as not to make the task too large and unspecified, you will here get a descrip
I need to Map an E-R diagram to a relational schema
Question: (a) Use the following business rules to produce the E-R diagram. You should clearly show all the minimum and maximum cardinality constraint on each side of the relati
can you create a database for me in oracle/sql
Describe the statement in SQL which allows to change the definition of a table? In SQL Alter statement is used to allow the changes the definition of a table.
This assignment is worth 45% of your final grade for this module. Marks will be awarded as follows: Prototypes (wireframe and web based prototype) You are expected
construct a B+ tree for the following set of key value (2,3,5,7,11,19,23,29,31) in ascending order where the pointers that will fit in one node is as follows:A. four B. six C. eigh
What are the Constituents of File? Also elaborates all the possible file operations? A file is organised logically as sequence of record. These records are mapped onto disk blo
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