Added new scripts and changes

EXPLOIT - enable query store on all dbs.sql

@@ -0,0 +1,23 @@
+DECLARE @dbName NVARCHAR(255);
+
+DECLARE db_cursor CURSOR FOR
+SELECT name 
+FROM sys.databases 
+WHERE state_desc = 'ONLINE' 
+AND is_read_only = 0 
+AND source_database_id IS NULL
+AND [database_id]>4 --ignore system dbs
+;
+
+OPEN db_cursor;
+FETCH NEXT FROM db_cursor INTO @dbName;
+
+WHILE @@FETCH_STATUS = 0
+BEGIN
+    EXEC('ALTER DATABASE [' + @dbName + '] SET QUERY_STORE = ON (OPERATION_MODE = READ_WRITE);');
+    PRINT 'ALTER DATABASE [' + @dbName + '] SET QUERY_STORE = ON (OPERATION_MODE = READ_WRITE);'
+    FETCH NEXT FROM db_cursor INTO @dbName;
+END
+
+CLOSE db_cursor;
+DEALLOCATE db_cursor;