User guide

Naming Constraints
The following table describes naming constraints within Amazon Redshift.
• A cluster identifier must contain only lowercase characters.
• It must contain from 1 to 63 alphanumeric characters or hy-
phens.
• Its first character must be a letter.
• It cannot end with a hyphen or contain two consecutive hy-
phens.
• It must be unique for all clusters within an AWS account.
Cluster identifier
• A database name must contain 1 to 64 alphanumeric char-
acters.
• It must contain only lowercase letters.
• It cannot be a reserved word. For a list of reserved words,
to Reserved Words in the Amazon Redshift Database De-
veloper Guide.
Database name
• A master user name must contain only lowercase characters.
• It must contain from 1 to 128 alphanumeric characters.
• Its first character must be a letter.
• It cannot be a reserved word. For a list of reserved words,
go to Reserved Words in the Amazon Redshift Database
Developer Guide.
Master user name
• A master password must be between 8 and 64 characters
in length.
• It must contain at least one uppercase letter.
• It must contain at least one lowercase letter.
• It must contain one number.
• It can be any printable ASCII character (ASCII code 33 to
126) except ' (single quotation mark), " (double quotation
mark), \, /, @, or space.
Master password
• A parameter group name must be 1 to 255 alphanumeric
characters or hyphens.
• It must contain only lowercase characters.
• Its first character must be a letter.
• It cannot end with a hyphen or contain two consecutive hy-
phens.
Parameter group name
API Version 2012-12-01
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Amazon Redshift Management Guide
Naming Constraints