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Match the following: Primary Key, Structured Query Language, Data Definition Language

Monjur Alahi

Match the following:

Column ‘A Column ‘B’
(1) Primary Key (A) Managing data within
 tables
(2) Structured Query Language  (B) Uniquely identify
 each row
(3) Database designer  (C) Storing, manipulating,
 and retrieving data
(4) Data (D) Define and modify 
the database

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Salim Ahmed Kawsar

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Column ‘A Column ‘B’
(1) Primary Key (B) Uniquely identify each row 
(2) Structured Query Language  (C) Storing, manipulating,
and retrieving data
(3) Database designer  (D) Define and modify the database 
(4) Data (A) Managing data within tables

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Key points in Adam Smith’s definition: 

Correct Option is (3) a, b and d

2 Answers 1 views
Social stratification refers to the existence of structured equalities in a society.

Social stratification refers to the existence of structured inequalities in a society.

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___________ is the primary data model, which is used widely around the world for data storage and processing.

Relational data model

2 Answers 1 views
Data Definition Language statements or commands are used for managing data within tables.

1. False 2. True 3. False

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Relational data model is the primary data model, which is used widely around the world for ___________ and ___________ 

(D) Data storage, (E) Processing

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Data Definition Language statements or commands are used to define and modify the database structure of your ___________ or ___________

(A) Table, (B) Schema

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SQL is Structured Query Language, which is a computer language for ___________, ___________ and ___________ data stored in a relational database. 

(B) Storing, (C) Manipulating, (D) Retrieving

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Match the following: Advantages of DBMS, Data integrity, Authorised users, Data is accurate and consistent

Column ‘A Column ‘B’ (1) Advantages of DBMS (C) Reducing Data Redundancy (2) Data integrity (B) Data is accurate and consistent  (3) Data Security (A) Authorised users (4) Backup and Recovery  (D) Restores the database

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Match the following: SELECT, UPDATE , Managing data within  tables, Extracts data from a table

Column ‘A Column ‘B’ (1) SELECT (B) Extracts data from a table (2) UPDATE  (A) Updates data in a table  (3) DELETE  (C) Deletes data from a table (4) INSERT INTO  (D) Insert data into a table

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What do you understand by terms ‘primary key’ and ‘secondary key’ in a database?

A primary key is a field that identifies each record in a database table admitting that the primary key must contain its UNIQUE values.  A secondary key shows the secondary value...

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