Question: Which The Phone Is The Most Prominent Data Manipulation Language Today?

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What is the most prominent data manipulation language in use today?

SELECT is the most widely used DML command in SQL.

Which of the following is an automated or manual file that stores information about data elements and data characteristics such as usage physical representation ownership authorization and security?

An automated or manual file that stores information about data elements and data characteristics such as usage, physical representation, ownership, authorization, and security is the: data dictionary.

Which of the following enables a DBMS to reduce data redundancy and inconsistency?

Which of the following features enables a DBMS to reduce data redundancy and inconsistency? physical database available for different logical views.

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What is one technique that a relational DBMS provides that helps eliminate data inconsistency?

A DBMS can reduce data redundancy and inconsistency by minimizing isolated files in which the same data are repeated. The DBMS may not enable the organization to eliminate data redundancy entirely, but it can help control redundancy.

Which of the following is the most prominent data manipulation?

Chapter 6

Question Answer
The most prominent data manipulation language today is: SQL
A _______ organizes data in two-dimensional tables. Relational DBMS
In a relational database, the three basic operations used to develop useful sets of data are: Select, project, and join

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How many types of data manipulation language are there?

Data manipulation languages are divided into two types, procedural programming and declarative programming.

Which of the following is an automated or manual file?

Option (C) is the correct answer of this question. Explanation: Data Dictionary is an artificial or manual file that stores data product information and data aspects such as use, physical representation, ownership, authorisation, and protection. A Data dictionary is a hierarchical information repository.

Which of the following is similar a database the most?

The most popular database in the world is Oracle according to DB -Engine ranking. Oracle is followed by MySQL, SQL Server, PostgreSQL, and MongoDB in the ranking. Most Popular Databases In The World.

Database Rank
1 Oracle 1268.84
2 MySQL 1154.27
3 Microsoft SQL Server 1040.26
4 PostgreSQL 466.11

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What is the logical view of a database?

The logical database view is how the data appear to the user to be stored. This view represents the structure that the user must interface with in order to extract data from the database.

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What is the first step in effectively managing data for a firm?

1. Clearly identify your business goals. Just like in every business practice, the first step is identifying your organization’s goals. Setting goals will help determine the process for collecting, storing, managing, cleaning, and analyzing data.

What type of database is Microsoft SQL Server?

Microsoft SQL Server is a relational database management system (RDBMS) that supports a wide variety of transaction processing, business intelligence and analytics applications in corporate IT environments.

What is meant by distributed database?

A distributed database (DDB) is an integrated collection of databases that is physically distributed across sites in a computer network. To form a distributed database system (DDBS), the files must be structured, logically interrelated, and physically distributed across multiple sites.

How do you control redundancy in a database?

1st normal form: Avoid storing similar data in multiple table fields.

  1. Eliminate repeating groups in individual tables.
  2. Create a separate table for each set of related data.
  3. Identify each set of related data with a primary key.

What is the difference between data redundancy and data duplication?

The Subtle difference is if the data is same it is duplication, if the data is different but the meaning is same it is data redundancy. For eg., if I have a customer data that has all information but twice then it is data duplication.

How can we prevent data inconsistency in database?

Using adequate constraints within the database is a solution to prevent data inconsistency.

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