More files for the devops for sql demos

demos/devops_sqlcontainers/databaseprojects/bwsql/createindex.sql

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+CREATE NONCLUSTERED INDEX [idx_customer_id]
+ON [dbo].[customers] ([customer_id]);

demos/devops_sqlcontainers/databaseprojects/bwsql/customers.sql

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+CREATE TABLE [dbo].[customers]
+(
+  tabkey int, customer_id nvarchar(10), customer_information varchar(1000)
+)

demos/devops_sqlcontainers/databaseprojects/bwsql/getcustomer_byid.sql

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+CREATE PROCEDURE [dbo].[getcustomer_byid]
+  @customer_id nvarchar(10)
+AS
+  SELECT * FROM customers WHERE customer_id = @customer_id;
+RETURN 0

demos/devops_sqlcontainers/databaseprojects/bwsql/populate_data.sql

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+truncate table customers;
+with cte
+as
+(
+select ROW_NUMBER() over(order by c1.object_id) id from sys.columns c1 cross join sys.columns c2
+)
+insert customers
+select id, convert(nvarchar(10), id),'customer details' from cte;

demos/devops_sqlcontainers/databaseprojects/makesurenowarnings.sql

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+USE bwsql;
+GO
+declare @qplan XML;
+SELECT  @qplan = qp.query_plan
+	FROM sys.dm_exec_cached_plans cp
+    CROSS APPLY sys.dm_exec_query_plan (cp.plan_handle) qp
+    INNER JOIN sys.dm_exec_procedure_stats qs ON qs.plan_handle = cp.plan_handle
+	INNER JOIN sys.objects o ON qs.object_id = o.object_id
+WHERE o.name = 'getcustomer_byid';
+with xmlnamespaces (default 'http://schemas.microsoft.com/sqlserver/2004/07/showplan')
+select @qplan.query('/ShowPlanXML/BatchSequence/Batch/Statements/StmtSimple/QueryPlan/Warnings');

demos/devops_sqlcontainers/readme.md

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+# Demos for DevOps using SQL Server Containers
+
+These are scripts to show demos for DevOps using SQL Server Containers
+
+## sqlcontainers
+
+These are demos for showing the fundamentals of using SQL Server Containers
+
+## databaseprojects
+
+These are demos for showing the fundamentals of using SDK-Style database projects using Visual Studio code and the Database Projects extension.
+
+## githubactions
+
+These are demos to show how to use GitHub in combination with a database project and GitHub actions to automatically build database projects and validate any changes using the SQL GitHub action.