DATABASE FUNDAMENTALS
WHAT IS DATABASE MANAGEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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to store database data
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for the selection and processing of database data
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to enter database data and view them
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to automatically execute a group of commands
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Detailed explanation-1: -Tables are used to organize data that is too detailed or complicated to be described adequately in the text, allowing the reader to quickly see the results. They can be used to highlight trends or patterns in the data and to make a manuscript more readable by removing numeric data from the text.
Detailed explanation-2: -In databases, information is stored in tables, columns and rows for easy processing. That storage is managed by the DBMS – database management system. There are relational (SQL) and non-relational (NoSQL) databases. A relational database is generally said to be the most common kind.
Detailed explanation-3: -The data in a database is grouped into a series of database records. Each database record is composed of smaller groups of data called segments. A segment is the smallest piece of data IMS can store. Segments, in turn, are made up of one or more fields.
Detailed explanation-4: -A relational database organizes data into rows and columns, which collectively form a table. Data is typically structured across multiple tables, which can be joined together via a primary key or a foreign key.