Research and investigate the following scenarios. Include an analysis by providing  arguments or counter arguments and examples where necessary: a) How do older file systems and the database approach differ in terms of the  relationship between the data and the application programs? b) What is meant by the term ‘weak entity’? Why is it not possible to represent a many-to-many relationship with two tables? c) Explain what is mean by transactions in the context of a database and why they are  needed. Describe the facilities that a DBMS should provide for the support of  transactions.

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Data Tables

A data table is a standard table that has different layouts. It helps to organize information in a tabular format. Like regular tables, a data table consists of a header, data columns, and rows. Each data table contains specific information. Multiple data tables can be connected using primary key-foreign key relationships.