[04/Volkhov/12]

Play an AI-generated podcast conversation about this lesson

What does the given regular expression '([a-z]{1})([A-Z]{1})' match?

Pairs of uppercase followed by lowercase letters

Pairs of lowercase followed by uppercase letters (correct)

Single uppercase letters

Single lowercase letters

What does the 'regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, ''))' function do?

Replaces occurrences of lowercase followed by uppercase with a space (correct)

Replaces single uppercase letters with a space

Replaces occurrences of uppercase followed by lowercase with a space

Replaces single lowercase letters with a space

What is the purpose of the regular expression '[ _-][a-zA-Z]{1}[ _-]' in the given code?

Identifies and replaces tabs, spaces, and underscores followed by a single alphabetical character

Identifies and replaces spaces, underscores, and hyphens followed by a single alphabetical character

Identifies and replaces tabs, spaces, and hyphens followed by a single alphabetical character (correct)

Identifies and replaces tabs, underscores, and hyphens followed by a single alphabetical character

What does the function 'lower(regexp_replace(regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '')), '[\t_-][a-zA-Z]{1}[\t_-]', ' '))' accomplish?

Converts all characters to lowercase and replaces single alphabetical characters preceded by tabs, underscores, and hyphens with spaces Signup and view all the answers

The function 'regexp_match(in_name, '([a-z]{1})([A-Z]{1})')' identifies parts of text where a small letter is followed by an upper case letter.

True Signup and view all the answers

The function 'lower(regexp_replace(regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '')), '[\s_-][a-zA-Z]{1}[\s_-]', ' '))' replaces standardizes '_' and '-' by space.

True Signup and view all the answers

The regular expression '([a-z]{1})([A-Z]{1})' matches occurrences where a small case character is followed by an upper case character in the given code.

True Signup and view all the answers

The function 'regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, ''))' does not introduce space for cases where a small character is followed by an upper case character.

False Signup and view all the answers

Match the following functions with their respective purposes in the given code:

regexp_match(in_name, '([a-z]{1})([A-Z]{1})') = Identifies parts of text where a small character is followed by an upper case character lower(regexp_replace(regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '')), '[\s_-][a-zA-Z]{1}[\s_-]', ' ')) = Replaces standardizes '_' and '-' by space regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '') = Introduces space for cases from #1 and replaces (standardizes) _ and - by space to replace space, , - by defined separator regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '')), '[\s-]+', sep, 'g' = Replaces (standardizes) _ and - by space to replace space Signup and view all the answers

Match the following patterns with their respective descriptions in the given code:

'([a-z]{1})([A-Z]{1})' = Matches occurrences where a small case character is followed by an upper case character in the given code '[\s_-][a-zA-Z]{1}[\s_-]' = Replaces standardizes '' and '-' by space '[\s-]+' = Replaces (standardizes) _ and - by space to replace space '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '') = Identifies parts of text where a small letter is followed by an upper case letter Signup and view all the answers

In programming, what does snake case refer to?

Writing words as a single string without spaces and separating them with underscores Signup and view all the answers

What is one of the benefits of using snake case in programming?

Improving maintainability and readability Signup and view all the answers

Which of the following programming languages widely use snake case?

Python, Ruby, and Go Signup and view all the answers

What is the purpose of snake case in file naming and database table names?

To improve maintainability and readability Signup and view all the answers

When should snake case be avoided for identifiers?

For single-word identifiers Signup and view all the answers

What is one of the tool support benefits provided by snake case?

Providing syntax highlighting and code completion Signup and view all the answers

Snake case involves separating words with hyphens.

False Signup and view all the answers

Snake case improves maintainability by making the code harder to understand and modify.

False Signup and view all the answers

Snake case promotes consistency in naming conventions across a codebase.

True Signup and view all the answers

Snake case is used only in programming languages like Python and Ruby.

False Signup and view all the answers

There is no need to use snake case for single-word identifiers.

True Signup and view all the answers

Programming tools and IDEs often do not provide syntax highlighting and code completion for snake case names.

False Signup and view all the answers

Match the following benefits of snake case with their descriptions:

Readability = Snake case improves readability by distinguishing between different words in a compound name. Maintainability = Snake case enhances maintainability by making code easier to understand and modify. Consistency = Snake case promotes consistency in naming conventions across a codebase. Self-Documentation = Snake case serves as self-documentation, providing additional information about the purpose of an identifier. Signup and view all the answers

Match the programming languages with their usage of snake case:

Python = Widely uses snake case for identifiers. Ruby = Utilizes snake case naming convention for identifiers. Go = Adopts snake case as a naming convention for identifiers. JavaScript = Does not primarily use snake case for identifiers. Signup and view all the answers

Match the following characteristics of snake case with their benefits:

Tool Support = Programming tools and IDEs often provide syntax highlighting and code completion for snake case names, improving development productivity. Single-word Identifiers = There is no need to use snake case for single-word identifiers. File Naming and Database Table Names = Snake case is also used in other contexts, such as file naming and database table names. Improves Readability = Snake case improves readability by distinguishing between different words in a compound name. Signup and view all the answers

Match the following features of snake case with their purposes:

No Spaces = Involves writing words as a single string without spaces and separating them with underscores (_) Compound Names = Used to distinguish between different words in a compound name. Naming Convention = A convention for identifiers involving underscores to separate words. Additional Information = Serves as self-documentation, providing additional information about the purpose of an identifier. Signup and view all the answers

[04/Volkhov/12]

Choose a study mode

Podcast

Questions and Answers

What does the given regular expression '([a-z]{1})([A-Z]{1})' match?

What does the 'regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, ''))' function do?

What is the purpose of the regular expression '[ _-][a-zA-Z]{1}[ _-]' in the given code?

What does the function 'lower(regexp_replace(regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '')), '[\t_-][a-zA-Z]{1}[\t_-]', ' '))' accomplish?

The function 'regexp_match(in_name, '([a-z]{1})([A-Z]{1})')' identifies parts of text where a small letter is followed by an upper case letter.

The function 'lower(regexp_replace(regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, '')), '[\s_-][a-zA-Z]{1}[\s_-]', ' '))' replaces standardizes '_' and '-' by space.

The regular expression '([a-z]{1})([A-Z]{1})' matches occurrences where a small case character is followed by an upper case character in the given code.

The function 'regexp_replace(in_name, '([a-z]{1})([A-Z]{1})', coalesce(g, '') || ' ' || coalesce(g, ''))' does not introduce space for cases where a small character is followed by an upper case character.

Match the following functions with their respective purposes in the given code:

Match the following patterns with their respective descriptions in the given code:

In programming, what does snake case refer to?

What is one of the benefits of using snake case in programming?

Which of the following programming languages widely use snake case?

What is the purpose of snake case in file naming and database table names?

When should snake case be avoided for identifiers?

What is one of the tool support benefits provided by snake case?

Snake case involves separating words with hyphens.

Snake case improves maintainability by making the code harder to understand and modify.

Snake case promotes consistency in naming conventions across a codebase.

Snake case is used only in programming languages like Python and Ruby.

There is no need to use snake case for single-word identifiers.

Programming tools and IDEs often do not provide syntax highlighting and code completion for snake case names.

Match the following benefits of snake case with their descriptions:

Match the programming languages with their usage of snake case:

Match the following characteristics of snake case with their benefits:

Match the following features of snake case with their purposes:

More Like This

Acute Poisoning and First Aid Quiz

Snake Knowledge Quiz

Naming Conventions: Camelcase vs Snakecase

Management of Snake Bites

Upgrade to continue