What is an important caution to keep in mind when deleting rows, columns, and tables?

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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What is an important caution to keep in mind when deleting rows, columns, and tables?

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A database management system is developed to keep records of various related entities together in an efficient manner. Data can be accessed, inserted, removed, or modified using database queries. But all these operations should be performed so that the database properties are maintained ensuring no data loss. Database languages like Oracle, MySQL, etc. provide some constraints to check and implement data preservation.  

 

 

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