Adding a composite index query to the data

Composite-Index/quaries.sql

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+--1 Index SQL Syntax
+Index SQL Syntax
+
+CREATE INDEX Index_Name ON Table_Name (Column_Name);
+/*
+This will give you a non-unique and non-clustered index
+*/
+
+-- 2 Create Table
+create schema transactiondata
+
+GO
+
+create table transactiondata.SalesFactTable(
+   Transaction_ID INT Primary Key not null,
+   Date date,
+   Branch varchar(50),
+   Product varchar(50),
+   Unit_Price float,
+   Quantity int,
+   Sales_Discount float,
+   Total_Amount_Sold float,
+   Hour Int,
+   Time_Range varchar(50),
+   Branch_ID INT,
+   Product_ID INT
+);
+
+-- 3 Drop Index
+Drop table transactiondata.SalesFactTable
+
+-- 4 Create NonClustered Index
+CREATE NONCLUSTERED INDEX IX_sales_trans_id
+ON [dbo].[SalesFactTables] (Transaction_ID);
+
+GO
+select * from [dbo].[SalesFactTables];
+
+-- 5 View Existing Index
+sp_helpindex [SalesFactTables]
+
+-- 6. Create Clustered Composite Index
+CREATE CLUSTERED INDEX IX_SalesFactTables_Composite
+ON [dbo].[SalesFactTables] (Transaction_ID, product_id);
+
+/*
+If you want to specify a different order for the index columns, such as descending order, 
+you need to include the sort order in the index definition.
+You can specify the sort order for each column individually.
+
+CREATE CLUSTERED INDEX IX_SalesFactTables_Composite
+ON [dbo].[SalesFactTables] (Transaction_ID ASC, product_id DESC);
+;
+*/
+
+-- 7. Create NonClustered Composite Index
+CREATE NONCLUSTERED INDEX IX_SalesFactTables_nonComposite
+ON [dbo].[SalesFactTables] (Transaction_ID, product_id);