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In a relation, tuples are not inserted in any definite order. Ordering of tuples is not defined as a part of a relation definition. Though, records may be structured later accordin
Define deadlock prevention. Deadlock prevention is a set of methods for ensuring that at least one of the four essential conditions like mutual exclusion, hold and wait, no pre
What is the use of unique function? UNIQUE function: If UNIQUE is specified then only unique values are used to computed the mean.
Hello.I have database access assignment which consist of creation Form, Subform, Calculation, Macros
In which format database schema is written ? Data base schema is written in the DDL format.
I am going to develop a web site to present decision tree structure. For this, I want a web application with AJAX technology to connect the database and prepare the decision tree's
A B-tree of order how much children m has maximum ? m has maximum m mchildren in a B tree.
how many hourse have been spent on a certain project
Define page. The database is partitioned into some number of fixed-length blocks, which are referred to as pages.
The First Normal Form (1NF) Let us first describe 1NF: Definition: A relation (table) is in 1NF if 1. There are no duplicate tuples or rows in the relation. 2.
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