This topic describes the naming conventions of Tablestore tables, columns, and instances.
Names of tables and columns
Conventions:
- The name can contain only letters, digits, and underscores (_).
- The name is case-sensitive.
- The name cannot start with a digit.
- The name must be 1 to 255 characters in length.
Names of instances
The name of an instance must be unique within a region. The name can be the same across different regions.
Conventions:
- The name can contain only letters, digits, and hyphens (-).
- The name is case-insensitive.
- The name must start with a letter and cannot end with a hyphen (-).
- The name must be 3 to 16 bytes in length.