Use the SQL query feature by using Tablestore SDK for Node.js. - Tablestore

This topic describes the SQL query operations that are supported by Tablestore SDK for Node.js.

Usage notes

The SQL query feature is supported by Tablestore SDK for Node.js V5.2.0 and later. When you use the SQL query feature, make sure that a supported version of Tablestore SDK for Node.js is installed.

For information about the version history of Tablestore SDK for Node.js, see Version history of Tablestore SDK for Node.js.

Features

Operation	Description
Create mapping tables	You can execute the `CREATE TABLE` statement to create a mapping table for an existing table or a search index.
Update attribute columns of a mapping table	You can execute the `ALTER TABLE` statement to add or remove attribute columns for an existing mapping table.
Delete mapping tables	You can execute the `DROP MAPPING TABLE` statement to delete mapping tables.
List the names of tables	You can execute the `SHOW TABLES` statement to query mapping tables in the current database.
Query information about a table	You can execute the `DESCRIBE` statement to query information about a table, such as the field names and field types.
Query index information about tables	You can execute the `SHOW INDEX` statement to query index information about a table.
Query data	You can execute the `SELECT` statement to query data in a table.