Can a database table exist without a primary key?
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plz suggest me the books for the preparation of NIC written exam.
Given a table of Player which contains Sno and player name, write a query which finds all possible Table Tennis doubles pairings.
Write the major components of a Database Management System?
what is the difference between relational calculus and relational algebra ?
What is sharded database?
How to fetch/retrieve the data from hieranchical database and put it into the relational database? for e.g I want to extract the data from IMS DB2 database which is a hierarchical db and load that data into the relational database which is a SQL server.Are there any tools available for directing extracting data from hierarchical db and loading into the relational database (SQL server)?
what is the role of auditor in auditing data oriented applications?
What are different types of joins used in?
What are the advantages of using database?
Can a database table exist without a primary key?
Explain database partitioning.
i applied prompt on country when i run report it shows list of all countries but want it to show only four countries name
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