What is relational database with example?

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First input columns brand, mt, re values are ov, 1,re vg, 2,re wu ,3,re. Second input columns are brand, mt, cx their records are ov,4,vg ,5,cx Wu, 6,cx and third input columns brand, mt, rt values are ov,7,rt vg, 8,rt wu, 9,rt but my output is brand, re, cx,rt values are ov, 1,4,7 vg, 2,5,8 wu, 3,6,9

0 Answers   IBM,

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Does facebook use graph database?

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WHAT IS THE PURPOSE OF TESTING INTEGRITY OF THE UNIVERSE?

0 Answers   Wipro,

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Explain artificial key?

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Which Statement would you use to remove the EMPLOYEE_Id_PK PRIMARY KEY constraint and all depending constraints from the EMPLOYEE table?

0 Answers   3i Infotech,

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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)?

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What is the difference between primary key, foreign key and candidate key?

0 Answers   Ernst Young,

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What is database server and how it works?

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characters of DBMS A) non redundant B) data independence C) increased security D) all the above

1 Answers   Accenture, XP,

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What is table scan and index scan?

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What is the best database software for small businesses?

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