Base64

As explained in Grokking Relational Database Design

Base64 is an encoding standard that represents binary data as ASCII characters.

How Grokking Relational Database Design covers it

How deep it goes

Explains the encoding purpose and resulting length, but does not detail Base64’s conversion algorithm.

Examples

Uses a 40-byte bcrypt result encoded into 60 bytes and stored in CHAR(60).

What it assumes

Assumes familiarity with database columns but introduces binary hashes and ASCII encoding in the password-storage context.

What you can do after

Apply Base64 when storing binary hash output in a character column and resize the password column accordingly.

How it connects

Connects Base64 with hashing, bcrypt, PBKDF2, SHA-512, passwords, and the CHAR data type.

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Also explained in

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  Spring Security in Action, Second EditionBase64 encoding represents arbitrary binary data as characters from a fixed 64-symbol alphabet and provides no confidentiality.
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  Cyber Threat HuntingBase64 encoding represents binary or textual data as a sequence of printable characters using a 64-character alphabet.
• 

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  Data Analysis with LLMsBase64 encoding is a binary-to-text encoding scheme that represents binary data using a restricted set of printable characters.
• 

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  Kubernetes in Action, Second EditionBase64 encoding represents binary or textual data as printable characters without providing confidentiality.
• 

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  The Design of Web APIs, Second EditionBase64 is a binary-to-text encoding that represents arbitrary bytes using a restricted set of ASCII characters.
• 

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  Logs and TelemetryBase64 encoding represents binary or textual data as ASCII characters using a 64-character alphabet.

Compare how 7 books explain Base64 →

Related concepts

• encryptioncontrasts with · Encryption is the cryptographic transformation of readable data into ciphertext to conceal its contents, reversible through decryption with appropriate information.
• binary datauses · Binary data is information represented as sequences of bytes rather than character-oriented text.
• page tokenused by · A page token is an opaque API value that identifies a position or continuation state for retrieving another page of a paginated collection.
• base64url encodingalternative to · Base64url encoding is a URL-safe variant of Base64 that replaces plus and slash with hyphen and underscore and commonly omits padding.

This explainer was generated by Manning's knowledge graph from the text of Grokking Relational Database Design. The section links point to the parts of the book it draws on.