update core statement

administrator/components/com_admin/sql/updates/mysql/3.7.0-2016-11-28.sql

@@ -1,3 +1,7 @@
 -- Add core field to extensions table.
 ALTER TABLE `#__extensions` MODIFY `protected` tinyint(3) NOT NULL DEFAULT 0 COMMENT 'Flag to indicate if the extension can be enabled/disabled.',
 ALTER TABLE `#__extensions` ADD COLUMN `core` tinyint(3) NOT NULL DEFAULT 0 COMMENT 'Flag to indicate if is a Joomla core extension. Core extensions can not be uninstalled.',
+
+UPDATE `#__extensions`
+SET `core` = 1
+WHERE `element` IN ();

administrator/components/com_admin/sql/updates/postgresql/3.7.0-2016-11-28.sql

@@ -3,3 +3,7 @@ ALTER TABLE "#__extensions" ADD COLUMN "core" smallint DEFAULT 0 NOT NULL;
 
 COMMENT ON COLUMN "#__extensions"."protected" IS 'Flag to indicate if the extension can be enabled/disabled.';
 COMMENT ON COLUMN "#__extensions"."core" IS 'Flag to indicate if is a Joomla core extension. Core extensions can not be uninstalled.';
+
+UPDATE "#__extensions"
+SET "core" = 1
+WHERE "element" IN ();

administrator/components/com_admin/sql/updates/sqlazure/3.7.0-2016-11-28.sql

@@ -1,2 +1,6 @@
 -- Add core field to extensions table.
 ALTER TABLE [#__extensions] ADD [core] [smallint] NOT NULL DEFAULT 0;
+
+UPDATE [#__extensions]
+SET [core] = 1
+WHERE [element] IN ();