addressed review comments

Author: yadavan88

sql-queries-dates/interval-queries/interval-mssql.sql

@@ -1,3 +1,3 @@
-SELECT id, name, enrollment_date, created_at FROM Student WHERE enrollment_date >= DATEADD(DAY, -10, CONVERT(date, GETDATE()));
-SELECT id, name, enrollment_date, created_at FROM Student WHERE created_at >= DATEADD(DAY, -10, GETDATE());
-SELECT id, name, enrollment_date, created_at FROM Student WHERE DATEDIFF(DAY, created_at, GETDATE()) <= 10;
+SELECT id, name, enrollment_date FROM Student WHERE enrollment_date >= DATEADD(DAY, -10, CONVERT(date, GETDATE()));
+SELECT * FROM Registration WHERE reg_datetime >= DATEADD(DAY, -10, GETDATE());
+SELECT * FROM Registration WHERE DATEDIFF(DAY, reg_datetime, GETDATE()) <= 10;

sql-queries-dates/interval-queries/interval-mysql.sql

@@ -1,2 +1,2 @@
-SELECT id, name, enrollment_date, created_at FROM Student WHERE enrollment_date >= DATE_SUB(CURRENT_DATE, INTERVAL 10 DAY);
-SELECT id, name, enrollment_date, created_at FROM Student WHERE created_at >= DATE_SUB(NOW(), INTERVAL 10 DAY);
+SELECT id, name, enrollment_date FROM Student WHERE enrollment_date >= DATE_SUB(CURRENT_DATE, INTERVAL 10 DAY);
+SELECT * FROM Registration WHERE reg_datetime >= DATE_SUB(NOW(), INTERVAL 10 DAY);

sql-queries-dates/interval-queries/interval-pg.sql

@@ -1,2 +1,2 @@
-SELECT id, name, enrollment_date, created_at FROM Student WHERE enrollment_date >= CURRENT_DATE - INTERVAL '10 days';
-SELECT id, name, enrollment_date, created_at FROM Student WHERE created_at >= CURRENT_TIMESTAMP - INTERVAL '10 days';
+SELECT id, name, enrollment_date FROM Student WHERE enrollment_date >= CURRENT_DATE - INTERVAL '10 days';
+SELECT * FROM Registration WHERE reg_datetime >= CURRENT_TIMESTAMP - INTERVAL '10 days';