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.