DATABASE FUNDAMENTALS
WHAT IS DATABASE MANAGEMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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DML
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DDL
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Query
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Relational schema
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Detailed explanation-1: -Which one of the following provides the ability to query information from the database and to insert tuples into, delete tuples from, and modify tuples in the database? Explanation: DML performs the change in the values of the relation.
Detailed explanation-2: -2) Which of the following provides the ability to query information from the database and insert tuples into, delete tuples from, and modify tuples in the database? Explanation: The term “DML” stands for the Data Manipulation Language used to perform the required changes in the relation’s values.
Detailed explanation-3: -DML (Data Manipulation Language): It is used for manipulating the database. Manipulation means to insert, modify, delete, or query the data in the database.
Detailed explanation-4: -The SQL data manipulation language (DML) is used to query and modify database data. In this chapter, we will describe how to use the SELECT, INSERT, UPDATE, and DELETE SQL DML command statements, defined below.
Detailed explanation-5: -The INSERT command can be used to insert one or more tuples into a relation. There are 2 forms of the INSERT command: Insert tuple(s) using literal values.