Data Management Specialist

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Data Management Specialist Interview Questions and Answers

Updated 30 Oct 2022

Q1. Difference table and view

Ans.

A table is a collection of data organized in rows and columns, while a view is a virtual table derived from one or more tables.

  • Tables store actual data, while views store queries that retrieve data from tables.

  • Tables can be modified directly, while views are read-only.

  • Tables have physical storage, while views do not.

  • Tables can have indexes and constraints, while views cannot.

  • Tables are used to store and manage data, while views are used to simplify complex queries or provide ...read more

Q2. Different types of Joins

Ans.

Different types of Joins

  • Inner Join: Returns only the matching rows from both tables

  • Left Join: Returns all the rows from the left table and the matching rows from the right table

  • Right Join: Returns all the rows from the right table and the matching rows from the left table

  • Full Outer Join: Returns all the rows from both tables, including the unmatched rows

  • Cross Join: Returns the Cartesian product of both tables

Data Management Specialist Jobs

Hiring For Data Management Specialist!! 1-2 years
Health Care Global Enterprises
4.1
₹ 1 L/yr - ₹ 3 L/yr
Bangalore / Bengaluru
Vendor Data Management Specialist 5-8 years
SoftwareOne
3.8
Gurgaon / Gurugram
Data Management Specialist (Workplace & Travel Services) 4-10 years
Upfield
3.4
Bangalore / Bengaluru
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