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EntityFrameworkCore.Jet/test/EFCore.Jet.FunctionalTests/Query/SimpleQueryJetTest.JoinGrou...

545 lines
21 KiB
C#

// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
namespace EntityFramework.Jet.FunctionalTests.Query
{
public partial class SimpleQueryJetTest
{
public override void Join_customers_orders_projection()
{
base.Join_customers_orders_projection();
AssertSql(
@"SELECT [c].[ContactName], [o].[OrderID]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void Join_customers_orders_entities()
{
base.Join_customers_orders_entities();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void Join_select_many()
{
base.Join_select_many();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate], [e].[EmployeeID], [e].[City], [e].[Country], [e].[FirstName], [e].[ReportsTo], [e].[Title]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
, [Employees] AS [e]");
}
public override void Client_Join_select_many()
{
base.Client_Join_select_many();
AssertContains(
@"@__p_0='2'
SELECT [t0].[EmployeeID], [t0].[City], [t0].[Country], [t0].[FirstName], [t0].[ReportsTo], [t0].[Title]
FROM (
SELECT TOP @__p_0 [e0].[EmployeeID], [e0].[City], [e0].[Country], [e0].[FirstName], [e0].[ReportsTo], [e0].[Title]
FROM [Employees] AS [e0]
) AS [t0]",
//
@"@__p_0='2'
SELECT [t].[EmployeeID], [t].[City], [t].[Country], [t].[FirstName], [t].[ReportsTo], [t].[Title]
FROM (
SELECT TOP @__p_0 [e].[EmployeeID], [e].[City], [e].[Country], [e].[FirstName], [e].[ReportsTo], [e].[Title]
FROM [Employees] AS [e]
) AS [t]",
//
@"SELECT [t1].[EmployeeID], [t1].[City], [t1].[Country], [t1].[FirstName], [t1].[ReportsTo], [t1].[Title]
FROM (
SELECT [e1].[EmployeeID], [e1].[City], [e1].[Country], [e1].[FirstName], [e1].[ReportsTo], [e1].[Title]
FROM [Employees] AS [e1]
ORDER BY (SELECT 1)
OFFSET 6 ROWS FETCH NEXT 2 ROWS ONLY
) AS [t1]",
//
@"SELECT [t1].[EmployeeID], [t1].[City], [t1].[Country], [t1].[FirstName], [t1].[ReportsTo], [t1].[Title]
FROM (
SELECT [e1].[EmployeeID], [e1].[City], [e1].[Country], [e1].[FirstName], [e1].[ReportsTo], [e1].[Title]
FROM [Employees] AS [e1]
ORDER BY (SELECT 1)
OFFSET 6 ROWS FETCH NEXT 2 ROWS ONLY
) AS [t1]");
}
public override void Join_customers_orders_select()
{
base.Join_customers_orders_select();
AssertSql(
@"SELECT [c].[ContactName], [o].[OrderID]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void Join_customers_orders_with_subquery()
{
base.Join_customers_orders_with_subquery();
AssertContains(
@"SELECT [o20].[CustomerID], [o20].[OrderID]
FROM [Orders] AS [o20]
ORDER BY [o20].[OrderID]",
//
@"SELECT [c].[CustomerID], [c].[ContactName]
FROM [Customers] AS [c]");
}
public override void Join_customers_orders_with_subquery_with_take()
{
base.Join_customers_orders_with_subquery_with_take();
AssertSql(
@"@__p_0='5'
SELECT [c].[ContactName], [t].[OrderID]
FROM [Customers] AS [c]
INNER JOIN (
SELECT TOP @__p_0 [o2].*
FROM [Orders] AS [o2]
ORDER BY [o2].[OrderID]
) AS [t] ON [c].[CustomerID] = [t].[CustomerID]
WHERE [t].[CustomerID] = 'ALFKI'");
}
public override void Join_customers_orders_with_subquery_anonymous_property_method()
{
base.Join_customers_orders_with_subquery_anonymous_property_method();
AssertContains(
@"SELECT [o20].[OrderID], [o20].[CustomerID], [o20].[EmployeeID], [o20].[OrderDate]
FROM [Orders] AS [o20]
ORDER BY [o20].[OrderID]",
//
@"SELECT [c].[CustomerID]
FROM [Customers] AS [c]");
}
public override void Join_customers_orders_with_subquery_anonymous_property_method_with_take()
{
base.Join_customers_orders_with_subquery_anonymous_property_method_with_take();
AssertContains(
@"@__p_0='5'
SELECT [t].[OrderID], [t].[CustomerID], [t].[EmployeeID], [t].[OrderDate]
FROM (
SELECT TOP @__p_0 [o2].[OrderID], [o2].[CustomerID], [o2].[EmployeeID], [o2].[OrderDate]
FROM [Orders] AS [o2]
ORDER BY [o2].[OrderID]
) AS [t]",
//
@"SELECT [c].[CustomerID]
FROM [Customers] AS [c]");
}
public override void Join_customers_orders_with_subquery_predicate()
{
base.Join_customers_orders_with_subquery_predicate();
AssertContains(
@"SELECT [o20].[CustomerID], [o20].[OrderID]
FROM [Orders] AS [o20]
WHERE [o20].[OrderID] > 0
ORDER BY [o20].[OrderID]",
//
@"SELECT [c].[CustomerID], [c].[ContactName]
FROM [Customers] AS [c]");
}
public override void Join_customers_orders_with_subquery_predicate_with_take()
{
base.Join_customers_orders_with_subquery_predicate_with_take();
AssertSql(
@"@__p_0='5'
SELECT [c].[ContactName], [t].[OrderID]
FROM [Customers] AS [c]
INNER JOIN (
SELECT TOP @__p_0 [o2].*
FROM [Orders] AS [o2]
WHERE [o2].[OrderID] > 0
ORDER BY [o2].[OrderID]
) AS [t] ON [c].[CustomerID] = [t].[CustomerID]
WHERE [t].[CustomerID] = 'ALFKI'");
}
public override void Join_composite_key()
{
base.Join_composite_key();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON ([c].[CustomerID] = [o].[CustomerID]) AND ([c].[CustomerID] = [o].[CustomerID])");
}
public override void Join_complex_condition()
{
base.Join_complex_condition();
AssertSql(
@"SELECT [c].[CustomerID]
FROM [Customers] AS [c]
INNER JOIN (
SELECT [o].*
FROM [Orders] AS [o]
WHERE [o].[OrderID] < 10250
) AS [t] ON 1 = 1
WHERE [c].[CustomerID] = 'ALFKI'");
}
public override void Join_client_new_expression()
{
base.Join_client_new_expression();
AssertContains(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Orders] AS [o]",
//
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region]
FROM [Customers] AS [c]");
}
public override void Join_same_collection_multiple()
{
base.Join_same_collection_multiple();
AssertSql(
@"SELECT [c3].[CustomerID], [c3].[Address], [c3].[City], [c3].[CompanyName], [c3].[ContactName], [c3].[ContactTitle], [c3].[Country], [c3].[Fax], [c3].[Phone], [c3].[PostalCode], [c3].[Region]
FROM [Customers] AS [o]
INNER JOIN [Customers] AS [c2] ON [o].[CustomerID] = [c2].[CustomerID]
INNER JOIN [Customers] AS [c3] ON [o].[CustomerID] = [c3].[CustomerID]");
}
public override void Join_same_collection_force_alias_uniquefication()
{
base.Join_same_collection_force_alias_uniquefication();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate], [o0].[OrderID], [o0].[CustomerID], [o0].[EmployeeID], [o0].[OrderDate]
FROM [Orders] AS [o]
INNER JOIN [Orders] AS [o0] ON [o].[CustomerID] = [o0].[CustomerID]");
}
public override void GroupJoin_customers_orders_count()
{
base.GroupJoin_customers_orders_count();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
ORDER BY [c].[CustomerID]");
}
public override void GroupJoin_customers_orders_count_preserves_ordering()
{
base.GroupJoin_customers_orders_count_preserves_ordering();
AssertSql(
@"@__p_0='5'
SELECT [t].[CustomerID], [t].[Address], [t].[City], [t].[CompanyName], [t].[ContactName], [t].[ContactTitle], [t].[Country], [t].[Fax], [t].[Phone], [t].[PostalCode], [t].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM (
SELECT TOP @__p_0 [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region]
FROM [Customers] AS [c]
WHERE [c].[CustomerID] NOT IN ('VAFFE', 'DRACD')
ORDER BY [c].[City]
) AS [t]
LEFT JOIN [Orders] AS [o] ON [t].[CustomerID] = [o].[CustomerID]
ORDER BY [t].[City], [t].[CustomerID]");
}
public override void GroupJoin_simple()
{
base.GroupJoin_simple();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void GroupJoin_simple2()
{
base.GroupJoin_simple2();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void GroupJoin_simple3()
{
base.GroupJoin_simple3();
AssertSql(
@"SELECT [o].[OrderID]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void GroupJoin_tracking_groups()
{
base.GroupJoin_tracking_groups();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
ORDER BY [c].[CustomerID]");
}
public override void GroupJoin_simple_ordering()
{
base.GroupJoin_simple_ordering();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
ORDER BY [c].[City]");
}
public override void GroupJoin_simple_subquery()
{
base.GroupJoin_simple_subquery();
AssertSql(
@"@__p_0='4'
SELECT [t].[OrderID], [t].[CustomerID], [t].[EmployeeID], [t].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN (
SELECT TOP @__p_0 [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Orders] AS [o]
ORDER BY [o].[OrderID]
) AS [t] ON [c].[CustomerID] = [t].[CustomerID]");
}
public override void GroupJoin_DefaultIfEmpty()
{
base.GroupJoin_DefaultIfEmpty();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void GroupJoin_DefaultIfEmpty_multiple()
{
base.GroupJoin_DefaultIfEmpty_multiple();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o1].[OrderID], [o1].[CustomerID], [o1].[EmployeeID], [o1].[OrderDate], [o2].[OrderID], [o2].[CustomerID], [o2].[EmployeeID], [o2].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o1] ON [c].[CustomerID] = [o1].[CustomerID]
LEFT JOIN [Orders] AS [o2] ON [c].[CustomerID] = [o2].[CustomerID]");
}
public override void GroupJoin_DefaultIfEmpty2()
{
base.GroupJoin_DefaultIfEmpty2();
AssertSql(
@"SELECT [e].[EmployeeID], [e].[City], [e].[Country], [e].[FirstName], [e].[ReportsTo], [e].[Title], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Employees] AS [e]
LEFT JOIN [Orders] AS [o] ON [e].[EmployeeID] = [o].[EmployeeID]");
}
public override void GroupJoin_DefaultIfEmpty3()
{
base.GroupJoin_DefaultIfEmpty3();
AssertSql(
@"@__p_0='1'
SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM (
SELECT TOP @__p_0 [c].*
FROM [Customers] AS [c]
ORDER BY [c].[CustomerID]
) AS [t]
LEFT JOIN [Orders] AS [o] ON [t].[CustomerID] = [o].[CustomerID]");
}
public override void GroupJoin_Where()
{
base.GroupJoin_Where();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
WHERE [o].[CustomerID] = 'ALFKI'");
}
public override void GroupJoin_Where_OrderBy()
{
base.GroupJoin_Where_OrderBy();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
WHERE ([o].[CustomerID] = 'ALFKI') OR ([c].[CustomerID] = 'ANATR')
ORDER BY [c].[City]");
}
public override void GroupJoin_DefaultIfEmpty_Where()
{
base.GroupJoin_DefaultIfEmpty_Where();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
WHERE [o].[OrderID] IS NOT NULL AND ([o].[CustomerID] = 'ALFKI')");
}
public override void Join_GroupJoin_DefaultIfEmpty_Where()
{
base.Join_GroupJoin_DefaultIfEmpty_Where();
AssertSql(
@"SELECT [o2].[OrderID], [o2].[CustomerID], [o2].[EmployeeID], [o2].[OrderDate]
FROM [Customers] AS [c]
INNER JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
LEFT JOIN [Orders] AS [o2] ON [c].[CustomerID] = [o2].[CustomerID]
WHERE [o2].[OrderID] IS NOT NULL AND ([o2].[CustomerID] = 'ALFKI')");
}
public override void GroupJoin_DefaultIfEmpty_Project()
{
base.GroupJoin_DefaultIfEmpty_Project();
AssertSql(
@"SELECT [o].[OrderID]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]");
}
public override void GroupJoin_with_different_outer_elements_with_same_key()
{
base.GroupJoin_with_different_outer_elements_with_same_key();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate], [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region]
FROM [Orders] AS [o]
LEFT JOIN [Customers] AS [c] ON [o].[CustomerID] = [c].[CustomerID]");
}
public override void GroupJoin_with_different_outer_elements_with_same_key_with_predicate()
{
base.GroupJoin_with_different_outer_elements_with_same_key_with_predicate();
AssertSql(
@"SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate], [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region]
FROM [Orders] AS [o]
LEFT JOIN [Customers] AS [c] ON [o].[CustomerID] = [c].[CustomerID]
WHERE [o].[OrderID] > 11500");
}
public override void GroupJoin_with_different_outer_elements_with_same_key_projected_from_another_entity()
{
base.GroupJoin_with_different_outer_elements_with_same_key_projected_from_another_entity();
AssertSql(
@"SELECT [od].[OrderID], [od].[ProductID], [od].[Discount], [od].[Quantity], [od].[UnitPrice], [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region]
FROM [Order Details] AS [od]
INNER JOIN [Orders] AS [od.Order] ON [od].[OrderID] = [od.Order].[OrderID]
LEFT JOIN [Customers] AS [c] ON [od.Order].[CustomerID] = [c].[CustomerID]");
}
public override void GroupJoin_SelectMany_subquery_with_filter()
{
base.GroupJoin_SelectMany_subquery_with_filter();
AssertSql(
@"SELECT [c].[ContactName], [t].[OrderID]
FROM [Customers] AS [c]
INNER JOIN (
SELECT [o].*
FROM [Orders] AS [o]
WHERE [o].[OrderID] > 5
) AS [t] ON [c].[CustomerID] = [t].[CustomerID]");
}
public override void GroupJoin_SelectMany_subquery_with_filter_orderby()
{
base.GroupJoin_SelectMany_subquery_with_filter_orderby();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
ORDER BY [c].[CustomerID]");
}
public override void GroupJoin_SelectMany_subquery_with_filter_and_DefaultIfEmpty()
{
base.GroupJoin_SelectMany_subquery_with_filter_and_DefaultIfEmpty();
AssertSql(
@"SELECT [t].[OrderID], [t].[CustomerID], [t].[EmployeeID], [t].[OrderDate], [c].[ContactName]
FROM [Customers] AS [c]
LEFT JOIN (
SELECT [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Orders] AS [o]
WHERE [o].[OrderID] > 5
) AS [t] ON [c].[CustomerID] = [t].[CustomerID]");
}
public override void GroupJoin_SelectMany_subquery_with_filter_orderby_and_DefaultIfEmpty()
{
base.GroupJoin_SelectMany_subquery_with_filter_orderby_and_DefaultIfEmpty();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
ORDER BY [c].[CustomerID]");
}
public override void GroupJoin_with_order_by_key_descending1()
{
base.GroupJoin_with_order_by_key_descending1();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
WHERE [c].[CustomerID] LIKE 'A' + '%'
ORDER BY [c].[CustomerID] DESC");
}
public override void GroupJoin_with_order_by_key_descending2()
{
base.GroupJoin_with_order_by_key_descending2();
AssertSql(
@"SELECT [c].[CustomerID], [c].[Address], [c].[City], [c].[CompanyName], [c].[ContactName], [c].[ContactTitle], [c].[Country], [c].[Fax], [c].[Phone], [c].[PostalCode], [c].[Region], [o].[OrderID], [o].[CustomerID], [o].[EmployeeID], [o].[OrderDate]
FROM [Customers] AS [c]
LEFT JOIN [Orders] AS [o] ON [c].[CustomerID] = [o].[CustomerID]
WHERE [c].[CustomerID] LIKE 'A' + '%'
ORDER BY [c].[CustomerID] DESC");
}
}
}