From af045e5edd8223ff1eed338295981da5df197cc4 Mon Sep 17 00:00:00 2001 From: Andrew Date: Fri, 10 Dec 2021 22:42:52 +0400 Subject: =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=B8=D0=BB=20=D0=BE?= =?UTF-8?q?=D1=82=D1=87=D1=91=D1=82=20=D0=BF=D0=BE=20=D1=87=D0=B5=D1=82?= =?UTF-8?q?=D0=B2=D1=91=D1=80=D1=82=D0=BE=D0=BC=D1=83=20=D0=B7=D0=B0=D0=B4?= =?UTF-8?q?=D0=B0=D0=BD=D0=B8=D1=8E.?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- task4_requests.sql | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) (limited to 'task4_requests.sql') diff --git a/task4_requests.sql b/task4_requests.sql index c364b95..71e2fbe 100644 --- a/task4_requests.sql +++ b/task4_requests.sql @@ -2,11 +2,12 @@ -- Кластерный индекс -- ----------------------- -SELECT amount FROM Payments WHERE order_id=12412; +SELECT * INTO Customers_copy FROM Customers +GO -CREATE CLUSTERED INDEX Payments_Clustered ON Payments (order_id); +SELECT * FROM Customers WHERE id=12345; GO -DROP INDEX Payments_Clustered ON Payments; +SELECT * FROM Customers_copy WHERE id=12345; GO -------------------------- @@ -69,7 +70,8 @@ GO SELECT SUM(amount) FROM Payments WHERE date >= '2021-12-01'; -CREATE INDEX Payments_Filtered ON Payments (amount) WHERE date >= '2021-12-01'; +CREATE INDEX Payments_Filtered ON Payments (amount) + WHERE date >= '2021-12-01'; GO DROP INDEX Payments_Filtered ON Payments; GO -- cgit v1.2.3