update db/说明.txt.

e6aae12a · @HuangBingGui · Gitee · ec7ab4ee · e6aae12a
Commit e6aae12a authored May 08, 2020 by @HuangBingGui Committed by Gitee May 08, 2020
--- a/db/说明.txt
+++ b/db/说明.txt

-包括oracle/mysql/mssql
\ No newline at end of file
+包括oracle/mysql/mssql
+