diff --git a/sql/sql.go b/sql/sql.go
new file mode 100644
index 0000000..6e269c4
--- /dev/null
+++ b/sql/sql.go
@@ -0,0 +1,5 @@
+// Package sql provides the ability to use Big decimals with SQL databases.
+//
+// Deprecated: With the addition of the "decimal" interface (see: https://golang.org/issue/30870),
+// none of these subpackages are needed. They may be removed in a future version.
+package sql