Modifies the attributes of an existing LindormTSDB database.
ALTER DATABASE applies only to LindormTSDB and is supported by all LindormTSDB versions.Syntax
ALTER DATABASE database_identifier [ WITH attribute_statement ]
attribute_statement ::= '(' attribute_definition (',' attribute_definition)* ')'
attribute_definition ::= attr_identifier '=' attr_valUse the WITH clause to specify one or more attributes to change. For example: WITH (ttl=60, cold_boundary=30).
Parameters
attribute_definition
For the full list of modifiable attributes, default values, and valid value ranges, see the attribute_definition parameter in CREATE DATABASE.
Limitations
Database name cannot be changed
ALTER DATABASE uses the database name to identify the target database.
Only attributes can be modified
ALTER DATABASE changes attribute values only.
Examples
Change the TTL (time to live) of database DB1 to 40 days:
ALTER DATABASE DB1 WITH (ttl=40);What's next
CREATE DATABASE — view all available attributes, default values, and valid value ranges