week 8 at TU München

Flashcards and summaries for week 8 at the TU München

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Exemplary flashcards for week 8 at the TU München on StudySmarter:

What is the primary data structure for a relational data model?

Exemplary flashcards for week 8 at the TU München on StudySmarter:

A table with a primary key logically implies that the table cannot have a duplicate record.

Exemplary flashcards for week 8 at the TU München on StudySmarter:

What happens when you join two tables in pandas using natural join? Select all that applies.


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Exemplary flashcards for week 8 at the TU München on StudySmarter:

The join operation works efficiently for data of all sizes.

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What are the two components of data retrieval mentioned in this class?

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Given the following “Select-From-Where” clauses for structured query language, which statement most likely poses the appropriate question?

SELECT name FROM san_diego_elementary WHERE grade > 70

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SQL for structured relational data can provide more operations than pandas data frames.

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Exemplary flashcards for week 8 at the TU München on StudySmarter:

What is the output of the execute method in sqlite?

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Assert statements help locate bugs.

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Automatic translators are a natural language processing (NLP) technique. How do they work?

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What is the definition of corpus?

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Exemplary flashcards for week 8 at the TU München on StudySmarter:

After running nltk.download(“movie_reviews”), which of the following needs to be called to import movie_reviews?


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Exemplary flashcards for week 8 at the TU München on StudySmarter:

week 8

What is the primary data structure for a relational data model?

Table

week 8

A table with a primary key logically implies that the table cannot have a duplicate record.

True

week 8

What happens when you join two tables in pandas using natural join? Select all that applies.


The common column is represented once.

week 8

The join operation works efficiently for data of all sizes.

False

week 8

What are the two components of data retrieval mentioned in this class?

The way you specify how to get the desired data out of the relational data store.

week 8

Given the following “Select-From-Where” clauses for structured query language, which statement most likely poses the appropriate question?

SELECT name FROM san_diego_elementary WHERE grade > 70

Which students at San Diego Elementary scored higher than 70%?

week 8

SQL for structured relational data can provide more operations than pandas data frames.

True

week 8

What is the output of the execute method in sqlite?

An iterator

week 8

Assert statements help locate bugs.

True

week 8

Automatic translators are a natural language processing (NLP) technique. How do they work?

Takes words, phrases, and context into account to understand what is being said.

week 8

What is the definition of corpus?

a collection of text in digital form

week 8

After running nltk.download(“movie_reviews”), which of the following needs to be called to import movie_reviews?


from nltk.corpus import movie_reviews

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