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L4: Understanding Data

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Total cards: 9•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (9)

#1
Front (Question)

Comma-separated values (CSVs)

Back (Answer)

Delimited text files where the delimiter is a comma. Used to store structured data.

#2
Front (Question)

Delimited text file formats

Back (Answer)

Text files are used to store data where each line or row has values separated by a delimiter. A delimiter is a sequence of one or more characters specifying the boundary between values. Common delimiters include comma, tab, colon, vertical bar, and space.

#3
Front (Question)

NoSQL databases

Back (Answer)

Databases are designed to store and manage unstructured data and provide analysis tools for examining this type of data.

#4
Front (Question)

Online Transaction Processing (OLTP) Systems

Back (Answer)

Systems that focus on handling business transactions and storing structured data.

#5
Front (Question)

Relational databases

Back (Answer)

Databases are designed to store structured data with well-defined schemas and support standard data analysis methods and tools.

#6
Front (Question)

Sensors

Back (Answer)

Devices such as Global Positioning Systems (GPS) and Radio Frequency Identification (RFID) tags generate structured data.

#7
Front (Question)

Spreadsheets

Back (Answer)

Software applications like Excel and Google Spreadsheets are used for organizing and analyzing structured data.

#8
Front (Question)

SQL Databases

Back (Answer)

Databases that use Structured Query Language (SQL) for defining, manipulating, and querying data in structured formats.

#9
Front (Question)

Tab-separated values (TSVs)

Back (Answer)

Delimited text files where the delimiter is a tab. Used as an alternative to CSV when literal commas are present in text data.