Structured Query Language (SQL) (Section 1)

Descripción

Chapter 1
Craig Willey
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Craig Willey
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Resumen del Recurso

Pregunta 1

Pregunta
When transforming an ERD into a relational database, you often use an entity to build a database's:
Respuesta
  • Table
  • Column
  • Attribute
  • Relationship

Pregunta 2

Pregunta
The unique identifier of a row in a database table is a(n):
Respuesta
  • ID
  • Primary Key
  • Primary Column
  • Column

Pregunta 3

Pregunta
Which of the following is true of SQL?
Respuesta
  • It is the most commonly used language for interacting with a database.
  • It is the only language you can use to create a database.
  • It is the only language you can use to interact with a database.
  • None of these

Pregunta 4

Pregunta
What can you use to submit SQL statements for execution? (Choose all that apply.)
Respuesta
  • PHP
  • Java
  • SQL Developer
  • SQL*Plus

Pregunta 5

Pregunta
What is one of the purposes of DCL? (Choose the best answer.)
Respuesta
  • Query data from a given table
  • Issue privileges to users
  • Remove existing data from a database table
  • None of these

Pregunta 6

Pregunta
What can DDL be used for? (Choose three.)
Respuesta
  • Add comments to a database table
  • Add columns to a database table
  • Add data to a database table
  • Add privileges for a user to a database table

Pregunta 7

Pregunta
Which one of the following is a DML statement?
Respuesta
  • ADD
  • ALTER
  • UPDATE
  • MODIFY

Pregunta 8

Pregunta
Which of the following can be used to remove data from a table? (Choose two.)
Respuesta
  • DELETE
  • UPDATE
  • MODIFY
  • ALTER

Pregunta 9

Pregunta
What can a SELECT statement be used to query? (Choose the best answer.)
Respuesta
  • Only one report
  • Only one table
  • One or more reports
  • One or more tables

Pregunta 10

Pregunta
Which of the following is not a capability of the SELECT statement?
Respuesta
  • It can transform queried data and display the results.
  • It can remove data from a table.
  • It can join data from multiple tables.
  • It can aggregate database data.
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