# Enum ServerCompatibilityMode

Namespace
  Npgsql

Assembly
  Npgsql.dll

An option specified in the connection string that activates special compatibility features.

    public enum ServerCompatibilityMode

## Fields

`NoTypeLoading = 2`

  The server is doesn't support full type loading from the PostgreSQL catalogs, support the basic set of types via information hardcoded inside Npgsql.

`None = 0`

  No special server compatibility mode is active

`[Obsolete("ServerCompatibilityMode.Redshift no longer does anything and can be safely removed.")] Redshift = 1`

  The server is an Amazon Redshift instance.