1. Introduction
3. Tutorial
4. 1. Relations
5. 2. Filtering
6. 3. Aggregation
8. Reference
9. 4. Syntax
   1. 4.1. Literals
   2. 4.2. Strings
      1. 4.2.1. F-strings
      2. 4.2.2. R-strings
      3. 4.2.3. S-strings
   3. 4.3. Tuples
   4. 4.4. Arrays
   5. 4.5. Identifiers & keywords
   6. 4.6. Function calls
   7. 4.7. Pipes
   8. 4.8. Operators
   9. 4.9. Case
   10. 4.10. Ranges
   11. 4.11. Comments
   12. 4.12. Parameters
10. 5. Importing data
    1. 5.1. From
    2. 5.2. Reading files
    3. 5.3. Ad-hoc data
11. 6. Declarations
    1. 6.1. Variables — let & into
    2. 6.2. Functions
12. 7. Standard library
    1. 7.1. Transforms
       1. 7.1.1. Aggregate
       2. 7.1.2. Append
       3. 7.1.3. Derive
       4. 7.1.4. Filter
       5. 7.1.5. Group
       6. 7.1.6. Join
       7. 7.1.7. Loop
       8. 7.1.8. Select
       9. 7.1.9. Sort
       10. 7.1.10. Take
       11. 7.1.11. Window
    2. 7.2. Aggregation functions
    3. 7.3. Date functions
    4. 7.4. Mathematical functions
    5. 7.5. Text functions
    6. 7.6. Removing duplicates
13. 8. Specification
    1. 8.1. Null handling
    2. 8.2. Name resolution
    3. 8.3. Modules
    4. 8.4. Type system
15. Project
16. 9. Changelog
17. 10. Target & version
18. 11. Bindings
    1. 11.1. .NET
    2. 11.2. Elixir
    3. 11.3. Java
    4. 11.4. JavaScript
    5. 11.5. PHP
    6. 11.6. Python
    7. 11.7. R
    8. 11.8. Rust
19. 12. Integrations
    1. 12.1. prqlc CLI
    2. 12.2. ClickHouse
    3. 12.3. Jupyter
    4. 12.4. DuckDB
    5. 12.5. QStudio
    6. 12.6. Prefect
    7. 12.7. VS Code
    8. 12.8. PostgreSQL
    9. 12.9. Databend
    10. 12.10. Rill
    11. 12.11. Syntax highlighting
20. 13. Contributing to PRQL
    1. 13.1. Development
    2. 13.2. Language design