How deeply does Effective Data Analysis cover database table?

Defines rows and columns, then illustrates practical querying and table-structuring considerations.

Database table

A table is a structured data collection arranged in rows representing records and columns representing attributes.

A database table is a logically organized set of tabular data: each row is a record, and each column contains information about that record. In a data warehouse, tables bring together information collected from different sources and give analysts data to query. section 1.2.2

Tables sit alongside views, which hold curated query results, and schemas, which organize tables. Making tables useful can involve joining relevant data, providing join keys, and correcting inconsistent data types. section 1.2.2 section 11.3.1

Historical weather data

A tourism company stores daily weather records by zip code so they can connect with existing data. A date_saved field preserves forecast history, while a most_recent field helps operational teams find the latest forecast. section 11.3.1

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Related concepts

SQLused by · SQL is a standardized declarative language for defining, querying, and manipulating data and structures in relational database systems.
primary keyhas part · A primary key is a designated column or attribute, or combination of them, that uniquely identifies each row or item in a table or data store.
tuplehas part · A tuple is a finite, ordered collection of elements treated as a single composite value or record.
viewincludes · A view is an alternate representation or access interface for data derived from or backed by underlying storage without necessarily creating an independent copy.
DynamoDB itemhas part · A DynamoDB item is a record of attributes stored as a single entry in a DynamoDB table.
structured dataincludes · Structured data is information organized according to an explicit schema or predictable fields, types, records, or relationships for consistent machine processing.

This explainer was generated by Manning's knowledge graph from the text of Effective Data Analysis. The section links point to the parts of the book it draws on.