write down the disadvantages of relating tables in database
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Disadvantages
Database systems are complex, difficult, and time-consuming to design.
Substantial hardware and software start-up costs.
Damage to database affects virtually all applications programs.
Extensive conversion costs in moving form a file-based system to a database system.
Initial training required for all programmers and users.
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HOMEAROUND THE HOMEPRODUCTIVITYDISADVANTAGES OF A RELATIONAL DATABASE
Disadvantages of a Relational Database
By Anni Martin
...
Relational databases are widely used in many industries to store financial records, keep track of inventory and to keep records on employees. In a relational database, information is stored in tables (often called relations) which help organize and structure data. Even though they are widely used, relational databases have some drawbacks.