diff --git a/google/resource_sql_database.go b/google/resource_sql_database.go
index a1fca2322eb..c9c5e80edd2 100644
--- a/google/resource_sql_database.go
+++ b/google/resource_sql_database.go
@@ -46,13 +46,13 @@ func resourceSqlDatabase() *schema.Resource {
 			"charset": &schema.Schema{
 				Type:     schema.TypeString,
 				Optional: true,
-				Default:  "utf8",
+				Computed: true,
 			},
 
 			"collation": &schema.Schema{
 				Type:     schema.TypeString,
 				Optional: true,
-				Default:  "utf8_general_ci",
+				Computed: true,
 			},
 		},
 	}
diff --git a/website/docs/r/sql_database.html.markdown b/website/docs/r/sql_database.html.markdown
index 5cb6acd33ef..796f1d47ceb 100644
--- a/website/docs/r/sql_database.html.markdown
+++ b/website/docs/r/sql_database.html.markdown
@@ -44,10 +44,23 @@ The following arguments are supported:
 * `project` - (Optional) The project in which the resource belongs. If it
     is not provided, the provider project is used.
 
-* `charset` - (Optional) The MySQL charset value (default "utf8").
-
-* `collation` - (Optional) The MySQL collation value (default
-    "utf8_general_ci").
+* `charset` - (Optional) The charset value. See MySQL's [Supported Character
+    Sets and
+    Collations](https://dev.mysql.com/doc/refman/5.7/en/charset-charsets.html)
+    and PostgreSQL's [Character Set
+    Support](https://www.postgresql.org/docs/9.6/static/multibyte.html)
+    for more details and supported values. Note that Cloud SQL's beta
+    offering for PostgreSQL databases currently only supports the charset value
+    `UTF8`.
+
+* `collation` - (Optional) The collation value. See MySQL's [Supported Character
+    Sets and
+    Collations](https://dev.mysql.com/doc/refman/5.7/en/charset-charsets.html)
+    and PostgreSQL's [Collation
+    Support](https://www.postgresql.org/docs/9.6/static/collation.html) for
+    more details and supported values. Note that Cloud SQL's beta
+    offering for PostgreSQL databases currently only supports the collation
+    value `en_US.UTF8`.
 
 ## Attributes Reference