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Which language has presently become the defacto standard for interfacing application programs along with relational database system?
The language which has recently become the defacto standard is SQL for interfacing application programs with relational database system.
i need to implememnt a treee based mining algorithm. do you have an expert that can do that?
normal forms
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.
Conversion of entity sets: I) For every strong entity type E in the ER diagram, we make a relation R containing all the easy attributes of E. The relation R pri
Consider the ER schema below for the MoneyMaking supermarket chain problem. Translate the given ER schema into SQL CREATE TABLE statement.
What are the basic objects of the data dictionary? Tables Domains Data elements Structures Foreign Keys
please i request for your assistance in developing a case-based online phone repair
Briefly describe concurrency execution? Lock - based protocols Locks There are several modes in which a data item may be locked in this section we restrict our attention
Concurrency issues Data integrity: Threads accessing same object need to be synchronized, such as: banking account. Deadlock: One or more threads in system are perman
Consider the subsequent relation schemes: Project (Project#, Project_name, chief_architect) Employee (Emp#, Empname) Assigned_To (Project#, Emp#) Give expression i
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