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What is a primary index?
A primary index is an index whose search key also explains the sequential order of the file.
Given the following relations Vehicle (Reg_no, make, colour) Person(eno, name, address) Owner(eno, reg_no) Write expressions in the relational algebra to answer the following
how many hourse have been spent on a certain project
What is Nested Trigger? A trigger can also having INSERT, UPDATE and DELETE logic within itself, so when the trigger is fired because of data modification it can also cause ano
a set of possible data value of an attribute is called??
What is Derived and stored Attribute? Derived and Stored Attribute - In a few cases, two or more attribute values are associated, for example, Age and BirthDate attributes of a
1. Explain different addressing modes of 8086 Explanation of all addressing modes 2. Write a sequence of instructions to exchange two register contents using stack
Explain the Strategy of Database Planning ?
What are the differences among MySQL_fetch_array(), MySQL_fetch_object(), MySQL_fetch_row()? Mysql_fetch_object returns the result from the database like objects while mysql
Which method is used to key transformation ? A hash method is used to key transformation.
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
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