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PL/SQL Commenting Syntax Quiz

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Questions and Answers

What are lexical units in PL/SQL?

Building blocks of any PL/SQL block (correct)

Symbols with special meaning

Reserved words

Names given to PL/SQL objects

What is the maximum length of an identifier in PL/SQL?

50 characters

10 characters

30 characters (correct)

Unlimited characters

Which type of words cannot be used as identifiers in Oracle database?

Reserved words (correct)

Literals

Delimiters

Comments

What do delimiters represent in PL/SQL?

Symbols with special meaning to the database Signup and view all the answers

What are literals in PL/SQL?

Sequences of characters including letters and digits Signup and view all the answers

How should comments be indicated for multiple lines in PL/SQL?

Enclosing the comments between /* and */ Signup and view all the answers

What is a compound delimiter made of in PL/SQL?

Two characters Signup and view all the answers

Which one of the following is considered a literal in PL/SQL?

An explicit date value Signup and view all the answers

How should character literals be enclosed in PL/SQL?

' ' single quotes Signup and view all the answers

In PL/SQL, what does '!=' represent?

Inequality operator Signup and view all the answers

What type of content can character literals in PL/SQL include?

Any printable character Signup and view all the answers

What should not be present between characters in a compound delimiter in PL/SQL?

A space Signup and view all the answers

What is the correct way to denote a single-line comment in PL/SQL?

Using two dashes (--) Signup and view all the answers

How should you indicate the start and end of an executable section in PL/SQL?

Using BEGIN and END keywords Signup and view all the answers

Which of the following is considered a SQL keyword in terms of case conventions?

DECLARE Signup and view all the answers

PL/SQL Commenting Syntax Quiz

Choose a study mode

Podcast

Questions and Answers

What are lexical units in PL/SQL?

What is the maximum length of an identifier in PL/SQL?

Which type of words cannot be used as identifiers in Oracle database?

What do delimiters represent in PL/SQL?

What are literals in PL/SQL?

How should comments be indicated for multiple lines in PL/SQL?

What is a compound delimiter made of in PL/SQL?

Which one of the following is considered a literal in PL/SQL?

How should character literals be enclosed in PL/SQL?

In PL/SQL, what does '!=' represent?

What type of content can character literals in PL/SQL include?

What should not be present between characters in a compound delimiter in PL/SQL?

What is the correct way to denote a single-line comment in PL/SQL?

How should you indicate the start and end of an executable section in PL/SQL?

Which of the following is considered a SQL keyword in terms of case conventions?

For identifiers like variables, what case convention should be followed in PL/SQL?

How should you format literals in PL/SQL code?

Which of the following is a reserved word in PL/SQL?

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