diff --git a/data/db/covid19data.sql b/data/db/covid19data.sql
index 73c88f3204a84b6620c8b1b848e20bf0ecab14f2..3c78fc715f2c909bf296413a611c60dbda92797d 100644
--- a/data/db/covid19data.sql
+++ b/data/db/covid19data.sql
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:c7321e1dcf41cebfc7c05fee789e05d9e4cb32279311a83df81b7d0be005cfbe
-size 105853994
+oid sha256:31395443242b9a71a82b7cd3b6445fb16b6123a5d49df5f6633b80be00392c12
+size 104401898
diff --git a/data/db/covid19data.sql.gz b/data/db/covid19data.sql.gz
deleted file mode 100644
index ca32ebb0552a23564bd824a7433236b473e96132..0000000000000000000000000000000000000000
--- a/data/db/covid19data.sql.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5703330ed140c243cbb6db81ead92ea618f13029b0c8f84815bd96cf382133c5
-size 18436889
diff --git a/src/covid19/blueprints/admin/admin_service.py b/src/covid19/blueprints/admin/admin_service.py
index 1fe943d4fa17e0332795d62a71933f0c96c62708..f35a29ce222e386cef671222f261bfe9412aa7cb 100644
--- a/src/covid19/blueprints/admin/admin_service.py
+++ b/src/covid19/blueprints/admin/admin_service.py
@@ -27,7 +27,7 @@ class AdminService:
         db = app.config['SQLALCHEMY_POSTGRES_DB']
         cmd = 'pg_dump -U '+user+' -h '+url+' '+db\
               +' --clean --if-exists --no-tablespaces '\
-              +' --on-conflict-do-nothing --rows-per-insert=200 --column-inserts '\
+              +' --on-conflict-do-nothing --rows-per-insert=1000 --column-inserts '\
               +' --quote-all-identifiers --no-privileges > '\
               + self.file_path
         app.logger.info(" start: "+str(cmd))
@@ -59,7 +59,7 @@ class AdminService:
         url = app.config['SQLALCHEMY_POSTGRES_URL']
         db = app.config['SQLALCHEMY_POSTGRES_DB']
         cmd_list = [
-            'pgsql -U ' + user + ' -h ' + url + ' ' + db + ' < ' + self.file_path
+            'psql -U ' + user + ' -h ' + url + ' ' + db + ' < ' + self.file_path
         ]
         for cmd in cmd_list:
             returncode = self.__run_ome_shell_command(cmd)