Index

A note on the digital index

A link in an index entry is displayed as the section title in which that entry appears. Because some sections have multiple index markers, it is not unusual for an entry to have several links to the same section. Clicking on any link will take you directly to the place in the text in which the marker appears.

Symbols

!= comparison operator, Operators and functions in WHERE clauses
& bitwise logical operator, Operators and functions in WHERE clauses
1:1 relationships, Basic Relationships, 1:1 relations
1:N relationships, Basic Relationships
< comparison operator, Operators and functions in WHERE clauses
<= comparison operator, Operators and functions in WHERE clauses
== comparison operator, Operators and functions in WHERE clauses
> comparison operator, Operators and functions in WHERE clauses
>= comparison operator, Operators and functions in WHERE clauses
? (question mark) as a name value, SQL Expression Language
| bitwise logical operator, Operators and functions in WHERE clauses
~ bitwise logical operator, Operators and functions in WHERE clauses

A

active defaults, Defaults
“active record” patterns, The data mapper pattern
acts_as_versioned( ) statement, Versioned Extension
adds( ) decorator, Using custom collections in relations
add_column( ) method, Customizing the Select Statement in ORM Queries, Other Query Methods
add_entity( ) method, Customizing the Select Statement in ORM Queries, Other Query Methods
after_commit( ) (SessionExtension class), Extending Sessions ...

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