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what is RDBMS? how it works? good example.
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Views A view is like a window by which data from tables can be changed or viewed. The table on which a view is based is known as Base table. The view is stored as a SELECT stat
Database design Database tables will be created for you on the Technology web server. The schema will be as follows. Please note that this is a simplified database structure, d
01a_Broadway_LastFirst_yyyy-mm-dd Capstone Exercises You work as a production assistant in the office of the Green Man Theatre. One of your duties is to maintain the company datab
Differentiate between join and outer join? Outer joins return all rows from at least one of the tables or views mentioned within the FROM clause, as long as those rows get toge
What are the ways in which the variable-length records arise in database systems? Storage of many record types in a file. Record types that permit variable lengths for one o
How to use Oracle
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
Explain the Strategy of Database Planning ?
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