YQL Tutorial - Overview
From this tutorial, you will learn how to perform basic operations with data in YDB and get familiar with the YQL syntax. A detailed description of this syntax is also available in the YQL reference documentation.
The tutorial consists of 15 steps:
- Creating a table
- Adding data to a table
- Selecting data from all columns
- Selecting data from specific columns
- Sorting and filtering
- Data aggregation
- Additional selection criteria
- Joining tables with JOIN
- Inserting and updating data with REPLACE
- Inserting and updating data with UPSERT
- Inserting data with INSERT
- Updating data with UPDATE
- Deleting data
- Adding and deleting columns
- Deleting a table