Are you a SELECT statement pro?

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

What is the syntax for using the SELECT statement in Oracle?

  • SELECT table_name INTO column_name
  • SELECT column_name INTO table_name
  • SELECT column_name FROM table_name (correct)
  • SELECT table_name FROM column_name

What is the danger of using the asterisk (*) shorthand in application code?

  • None of the above
  • It may cause the application to access removed columns (correct)
  • It may cause the application to crash
  • It may cause the application to not process additional columns

What are some of the clauses that can be used in the SELECT statement in Oracle?

  • SELECT ALL, SELECT DISTINCT, SELECT UNIQUE
  • ORDER BY, GROUP BY, HAVING, JOIN (correct)
  • CREATE TABLE, ALTER TABLE, DROP TABLE
  • INSERT INTO, UPDATE, DELETE

What is the SELECT statement used for in Oracle?

<p>To query data from a single table (B)</p> Signup and view all the answers

What is the syntax for retrieving data from multiple columns using the SELECT statement in Oracle?

<p>SELECT column1, column2 FROM table_name (B)</p> Signup and view all the answers

Why should you avoid using the asterisk (*) shorthand when embedding a query in applications?

<p>It can cause issues if the table structure changes (D)</p> Signup and view all the answers

What is the syntax for using the SELECT statement in Oracle?

<p>SELECT column_name FROM table_name (C)</p> Signup and view all the answers

What is the purpose of the asterisk (*) shorthand in Oracle SELECT statements?

<p>To retrieve data from all columns of a table (C)</p> Signup and view all the answers

Why is it not recommended to use the asterisk (*) shorthand in application code?

<p>The table may have more or fewer columns in the future (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser