![]() In addition, the file format can also be used in database applications, where it is used to define the structure and schema of the database, as well as to import and export data. OpenAPI Definition in YAML | Screenshot from Swagger In a “Yet Another Markup Language” file the common data types can be stored and saved: What Data Types does the File Format support? An anchor is defined with the ampersand (&), an alias with the asterisk (*). Anchors and aliases: YAML supports anchors and aliases to reference the same object multiple times in a file.Sequences are ordered lists of values, while mappings are unordered key-value pairs. Collections: YAML supports two types of collections: Sequences and Mappings.They can be represented in various syntaxes, such as plain scalars, scalars in quotes, or folded scalars. Scalars: Scalars are single values in YAML, such as strings, numbers, and Boolean values.Indentation can be done with either spaces or tabs but must be consistent throughout the file. Each indentation level represents a hierarchy level. Indentation: The file format uses indentations to define the structure of the data.Multiline comments start with a carriage return followed by a hash symbol (#) and continue to the end of the block. Single-line comments start with the hash symbol (#) and continue to the end of the line. ![]()
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