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SQl Querys for visualization.sql

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+USE [TCS stocks]
+
+SELECT *
+FROM TCS_corrected
+
+-- Add a new column DayName to store the day of the date column
+
+ALTER TABLE TCS_corrected ADD DayName Varchar(20);
+
+UPDATE TCS_corrected
+SET DayName = DATENAME(DW, Date)
+
+-- Add a new column Year to store the year of the date column
+
+ALTER TABLE TCS_corrected ADD Year int
+
+UPDATE TCS_corrected
+SET Year = YEAR(Date)
+
+SELECT *
+FROM TCS_corrected
+
+-- 1.) looking at the Average_price, Average_Change and Average_volume of the stock
+
+SELECT
+    AVG([Price]) AS Average_Price,
+    AVG(TRY_CAST(Change AS decimal(5,2))) AS Average_Change,
+	AVG(cast(Volume as bigint)) as Averaage_volume
+FROM
+    TCS_corrected
+
+-- 2.) looking at the Average_price, Average_Change and Average_volume of the stock per year
+
+SELECT
+	YEAR,
+    AVG([Price]) AS Average_Price,
+    AVG(TRY_CAST(Change AS decimal(5,2))) AS Average_Change,
+	AVG(cast(Volume as bigint)) as Averaage_volume
+FROM
+    TCS_corrected
+Group by
+	Year
+Order By 
+	Year
+
+-- 3.) Looking at the price of the stock per date
+
+SELECT 
+	date,
+	price
+from 
+	TCS_corrected
+order by
+	Price Desc
+
+-- 4.) Looking at the Average_Open and Avegae_low price of the stock per  year
+
+Select year,
+	AVG([Open]) as Average_Open,
+	AVG(low) as Average_low
+From
+	TCS_corrected
+Group by
+	Year
+Order by
+	Year
+
+
+-- 5.) Looking at the high price and low price of the stock per date
+
+SELECT Date,
+	High,
+	Low
+FROM 
+	TCS_corrected
+order by
+	Date Desc
+
+-- 6.) looking at the change of the stock per day in a week
+
+
+SELECT DayName, SUM(TRY_CAST(Change AS decimal(5,2))) AS TotalChange
+FROM 
+	TCS_corrected
+GROUP BY 
+	DayName