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BS ISO/IEC 19075-6:2021

$215.11

Information technology. Guidance for the use of database language SQL – Support for JSON

Published By Publication Date Number of Pages
BSI 2021 106
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This document describes the support in SQL for JavaScript Object Notation.

This document discusses the following features of the SQL language:

  • Storing JSON data.

  • Publishing JSON data.

  • Querying JSON data.

  • SQL/JSON data model and path language.

PDF Catalog

PDF Pages PDF Title
2 undefined
5 Contents
8 Tables
10 Figures
11 Foreword
13 Introduction
15 1 Scope
16 2 Normative references
17 3 Terms and definitions
20 4 JavaScript Object Notation (JSON)
4.1 Context for JSON
4.2 What is JSON?
21 4.3 Representations of JSON data
4.3.1 Introduction to representations of JSON data
4.3.2 Avro
22 4.3.3 BSON
4.4 Schemas
4.4.1 JSON schemata and validity
23 4.4.2 Avro schemata
4.4.3 BSON schemata
24 4.5 Why does JSON matter in the context of SQL? What is JSON’s relationship to NoSQL?
25 4.6 Use cases for JSON support in SQL
4.6.1 Introduction to the use cases
4.6.2 JSON data ingestion and storage
4.6.3 JSON data generation from relational data
26 4.6.4 Querying JSON as persistent semi-structured data model instances
4.7 What features address those use cases?
4.7.1 Addressing the use cases
4.7.2 Storing JSON data in an SQL table
4.7.3 Generating JSON in an SQL query
27 4.7.4 Querying JSON data in SQL tables using SQL
28 5 The SQL/JSON data model
5.1 Introduction to the SQL/JSON data model
29 5.2 SQL/JSON items
5.2.1 Definition of SQL/JSON items
30 5.2.2 Atomic values
31 5.2.3 SQL/JSON arrays
5.2.4 SQL/JSON objects
5.3 SQL/JSON sequences
32 5.4 Parsing JSON
5.5 Serializing JSON
33 6 SQL/JSON functions
6.1 Introduction to SQL/JSON functions
6.2 Handle JSON using built-in functions
6.3 JSON API common syntax
6.3.1 Introduction to JSON API common syntax
34 6.3.2 JSON value expression
6.3.3 Path expression
6.3.4 PASSING clause
35 6.3.5 JSON output clause
6.3.6 ON ERROR and ON EMPTY syntax
36 6.4 Query functions
6.4.1 The four query functions
6.4.2 JSON_EXISTS
39 6.4.3 JSON_VALUE
43 6.4.4 JSON_QUERY
47 6.4.5 JSON_TABLE
6.4.5.1 Introduction to JSON_TABLE
48 6.4.5.2 COLUMNS clause that is not nested
50 6.4.5.3 Nested COLUMNS clause
51 6.4.5.4 PLAN clause
55 6.4.6 Conformance features for query operators
57 6.5 Constructor functions and IS JSON predicate
6.5.1 Tables used to illustrate constructor functions and the IS JSON predicate
58 6.5.2 JSON_OBJECT
59 6.5.3 JSON_OBJECTAGG
60 6.5.4 JSON_ARRAY
61 6.5.5 JSON_ARRAYAGG
63 6.5.6 IS JSON predicate
6.5.7 Handling of JSON nulls and SQL nulls
64 6.5.8 Conformance features for constructor functions
65 7 SQL/JSON path language
7.1 Overview of SQL/JSON path language
66 7.2 Objectives for the SQL/JSON path language
67 7.3 Modes
7.3.1 Introduction to modes
68 7.3.2 Example of strict vs lax
70 7.4 Lexical issues
72 7.5 Syntax summary
7.6 Formal semantics and notational conventions
73 7.7 Primitive operations in formal semantics
7.7.1 Concatenation
7.7.2 unwrap()
74 7.7.3 wrap()
7.8 Mode declaration
75 7.9
7.9.1 Introduction to JSON path primaries
7.9.2 Literals
76 7.9.3 Variables
77 7.9.4 Parentheses
7.10 Accessors
7.10.1 Introduction to accessors
78 7.10.2 Member accessor
81 7.10.3 Member wildcard accessor
82 7.10.4 Element accessor
84 7.10.5 Element wildcard accessor
85 7.10.6 Sequence semantics of the accessors
7.11 Item methods
7.11.1 Introduction to item methods
86 7.11.2 type()
7.11.3 size()
87 7.11.4 Numeric item methods (double, ceiling, floor, abs)
7.11.5 datetime()
7.11.6 keyvalue()
89 7.12 Arithmetic expressions
7.12.1 Introduction to arithmetic expressions
7.12.2 Unary plus and minus
90 7.12.3 Binary operations
7.13 Filter expression
7.13.1 Introduction to filter expressions
91 7.13.2 true/false and True/False
92 7.13.3 null and Unknown
7.13.4 Error handling in filters
95 7.13.5 Truth tables
96 7.13.6 Comparison predicates
97 7.13.7 like_regex predicate
98 7.13.8 starts with predicate
7.13.9 exists predicate
100 7.13.10 is unknown predicate
101 7.14 Conformance features for SQL/JSON path language
BS ISO/IEC 19075-6:2021
$215.11