SQL Server 2019 PolyBase

Jiayi Yang PolyBase • SQL Server 2019年9月4日

--PolyBaseインストール状況確認
SELECT SERVERPROPERTY ('IsPolybaseInstalled') AS IsPolybaseInstalled;

--HadoopやAzureストレージにアクセスできるようにする
USE master;  
GO  
EXEC sp_configure 'show advanced option', '1'
RECONFIGURE
GO
EXEC sp_configure 'hadoop connectivity', 7
GO
RECONFIGURE
GO

--SQL Server 2019
USE master;  
GO
EXEC sp_configure 'polybase enabled', 1
RECONFIGURE
GO

--PolyBase エラーを確認するクエリ
USE DWDiagnostics
GO

SELECT TOP 100 *
FROM [DWDiagnostics].[dbo].[pdw_errors]
ORDER BY [DateTimePublished] DESC

/**********************************
*Load Data From Twitter Demo
**********************************/

--Create Database
USE [master]
GO

CREATE DATABASE [PolyBase_Twitter]
 CONTAINMENT = NONE
 ON  PRIMARY 
( NAME = N'PolyBase_Twitter', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_Twitter.mdf' , SIZE = 8192KB , FILEGROWTH = 65536KB )
 LOG ON 
( NAME = N'PolyBase_Twitter_log', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_Twitter_log.ldf' , SIZE = 8192KB , FILEGROWTH = 65536KB )
GO
ALTER DATABASE [PolyBase_Twitter] SET RECOVERY SIMPLE 
GO

--マスタキーを作成
USE [PolyBase_Twitter]
GO

CREATE MASTER KEY ENCRYPTION BY PASSWORD = '{password}'
GO

--ツイッター資格情報作成
USE [PolyBase_Twitter]
GO

CREATE DATABASE SCOPED CREDENTIAL [TwitterCredential]
WITH IDENTITY = 'MyTwitter', Secret = ''
GO

--資格情報を確認
select *
from sys.database_scoped_credentials

--外部データソースを作成する。
CREATE EXTERNAL DATA SOURCE [TwitterInstance]
WITH ( 
LOCATION = 'odbc://PolyBaseVM',
CONNECTION_OPTIONS ='DRIVER={CData ODBC Driver for Twitter};DSN=CData Twitter Sys',
CREDENTIAL = [TwitterCredential])
GO

--外部データソースを確認する
select *
from sys.external_data_sources

CREATE EXTERNAL TABLE [extTwitter_Tweets](
	[ID] NVARCHAR(60) COLLATE Japanese_CI_AS,
	[IDLong] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[SearchTerms] NVARCHAR(400) COLLATE Japanese_CI_AS,
	[Created_At] DATETIME2(0),
	[Text] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Lang] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Source] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Favorited] BIT,
	[Favorite_Count] INT,
	[Retweeted] BIT,
	[Retweet_Count] INT,
	[Retweeted_Status_Id] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Truncated] BIT,
	[Filter_Level] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Possibly_Sensitive] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Withheld_Copyright] BIT,
	[Withheld_Scope] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Withheld_In_Countries] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Contributors] NVARCHAR(MAX) COLLATE Japanese_CI_AS,
	[Coordinates_Coordinates] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Coordinates_Type] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Place_Full_Name] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Place_Country] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Current_User_Retweet_Id] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[Scopes] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[In_Reply_To_Status_Id] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[From_User_Id] NVARCHAR(510) COLLATE Japanese_CI_AS,
	[From_User_Screen_Name] NVARCHAR(510) COLLATE Japanese_CI_AS,
	[From_User_Name] NVARCHAR(510) COLLATE Japanese_CI_AS,
	[From_User_Location] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[From_User_Profile_URL] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[From_User_Profile_Image_Url] NVARCHAR(4000) COLLATE Japanese_CI_AS,
	[To_User_Id] NVARCHAR(510) COLLATE Japanese_CI_AS,
	[To_User_Screen_Name] NVARCHAR(510) COLLATE Japanese_CI_AS,
	[User_Mentions] NVARCHAR(MAX) COLLATE Japanese_CI_AS,
	[URLs] NVARCHAR(MAX) COLLATE Japanese_CI_AS,
	[Hashtags] NVARCHAR(MAX) COLLATE Japanese_CI_AS,
	[Media] NVARCHAR(MAX) COLLATE Japanese_CI_AS,
	[NextPageToken] NVARCHAR(4000) COLLATE Japanese_CI_AS)
WITH
(LOCATION = 'Tweets',DATA_SOURCE = [TwitterInstance])
GO

--データを確認する
SELECT
	[From_User_Name],
	[Text],
	[Created_At]
FROM [PolyBase_Twitter].[dbo].[extTwitter_Tweets]
ORDER BY
	[Created_At] DESC

--データを確認する
SELECT
	[From_User_Name],
	[Text],
	[Created_At]
FROM [PolyBase_Twitter].[dbo].[extTwitter_Tweets]
WHERE [Text] LIKE '%#jssug%'
OR [Text] LIKE '%#dbts2019%'
ORDER BY
	[Created_At] DESC


/**********************************
*Load Data From Excel and MySQL Demo
**********************************/

--Create Database
USE [master]
GO

CREATE DATABASE [PolyBase_MySQL_Excel]
 CONTAINMENT = NONE
 ON  PRIMARY 
( NAME = N'PolyBase_MySQL_Excel', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_MySQL_Excel.mdf' , SIZE = 8192KB , FILEGROWTH = 65536KB )
 LOG ON 
( NAME = N'PolyBase_MySQL_Excel_log', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_MySQL_Excel_log.ldf' , SIZE = 8192KB , FILEGROWTH = 65536KB )
GO
ALTER DATABASE [PolyBase_MySQL_Excel] SET RECOVERY SIMPLE 
GO

--マスタキーを作成
USE [PolyBase_MySQL_Excel]
GO

CREATE MASTER KEY ENCRYPTION BY PASSWORD = '{password}'
GO

/*******************
External MySQL
*******************/
--現時点のSQL Server 2019 CTP2.1では、
--'<vendor>://<server>[:<port>]'
--の接続方法のなかに、vendorのパラメータには、「MySQL」が使えません。ODBC経由で接続しなければならない。
--あらかじめにODBC(64bit)のMySQL接続ドライバーを設定しておくこと。
--クエリのパフォーマンスを向上させるために、ドライバーで接続プールを有効にしていることを確認する。 
--この操作は [ODBC データ ソースの管理者] から実現できる

--MySQLのログイン資格情報を作成する
USE [PolyBase_MySQL_Excel]
GO

CREATE DATABASE SCOPED CREDENTIAL [MySQLCredential]
WITH IDENTITY = 'yangjiayi', Secret = '{password}'
GO

--Credentialsを確認
select *
from sys.database_scoped_credentials

--外部データソースを作成する。
CREATE EXTERNAL DATA SOURCE [MySQLInstance]
WITH ( 
LOCATION = 'odbc://PolyBaseVM',
CONNECTION_OPTIONS ='Driver={MySQL ODBC 8.0 Unicode Driver};DSN=MySQL',
CREDENTIAL = [MySQLCredential])
GO

--外部データソースを確認する
select *
from sys.external_data_sources

--外部テーブルを作成する
CREATE EXTERNAL TABLE [extMySQL_Address](
	[PostCode] [nvarchar](8) NOT NULL,
	[Location] [nvarchar](100) NOT NULL)
WITH
(LOCATION = 'PolyBaseDB.Address',DATA_SOURCE = [MySQLInstance])
GO

--統計作成、おすすめ、パフォーマンス向上
 CREATE STATISTICS [Statistics_PostCode] ON [extMySQL_Address]([PostCode]) WITH FULLSCAN
 GO

--データ確認
 SELECT [PostCode],[Location]
 FROM [PolyBase_MySQL_Excel].[dbo].[extMySQL_Address]

 /*******************
External Excel Files
*******************/
--EXCELの資格情報を作成する
--資格情報はダミーだが、外部データソースを作成するときに、文法合わせるため、必要である。
--クエリのパフォーマンスを向上させるために、ドライバーで接続プールを有効にしていることを確認する。 
--この操作は [ODBC データ ソースの管理者] から実現できる

USE [PolyBase_MySQL_Excel]
GO

CREATE DATABASE SCOPED CREDENTIAL [ExcelCredential]
WITH IDENTITY = 'MyExcel', Secret = ''
GO

--Credentialsを確認
select *
from sys.database_scoped_credentials

--外部データソースを作成する。
CREATE EXTERNAL DATA SOURCE [ExcelInstance]
WITH ( 
LOCATION = 'odbc://PolyBaseVM',
CONNECTION_OPTIONS ='DRIVER={CData ODBC Driver for Excel};DSN=CData Excel Sys',
CREDENTIAL = [ExcelCredential])
GO

--外部データソースを確認する
select *
from sys.external_data_sources

--外部テーブルを作成する(Person)
CREATE EXTERNAL TABLE [extExcel_Person](
	[RowId] INT NOT NULL, 
	[PersonID] NVARCHAR(4000) COLLATE Japanese_CI_AS, 
	[Name] NVARCHAR(4000) COLLATE Japanese_CI_AS, 
	[CorpCode] NVARCHAR(4000) COLLATE Japanese_CI_AS, 
	[PostCode] NVARCHAR(4000) COLLATE Japanese_CI_AS)
WITH
(LOCATION = 'PersonTbl',DATA_SOURCE = [ExcelInstance])
GO

--統計作成、おすすめ、パフォーマンス向上
 CREATE STATISTICS [Statistics_PersonID] ON [extExcel_Person]([PersonID]) WITH FULLSCAN
 GO

--データ確認
SELECT [PersonID],[Name],[CorpCode],[PostCode]
FROM [PolyBase_MySQL_Excel].[dbo].[extExcel_Person]

--外部テーブルを作成する(Sales)
CREATE EXTERNAL TABLE [extExcel_Sales](
	[RowId] INT NOT NULL, 
	[PersonID] NVARCHAR(4000) COLLATE Japanese_CI_AS, 
	[Qty] NVARCHAR(4000) COLLATE Japanese_CI_AS, 
	[Price] NVARCHAR(4000) COLLATE Japanese_CI_AS, 
	[Total] NVARCHAR(4000) COLLATE Japanese_CI_AS)
WITH
(LOCATION = 'SalesTbl',DATA_SOURCE = [ExcelInstance])
GO

--データ確認
SELECT [PersonID],[Qty],[Price],[Total]
FROM [PolyBase_MySQL_Excel].[dbo].[extExcel_Sales]

--各テーブル結合クエリ
SELECT tblExcel1.PersonID,tblExcel1.[Name],tblMysql.[Location],tblExcel2.Total
FROM [PolyBase_MySQL_Excel].[dbo].[extExcel_Person] AS tblExcel1
INNER JOIN [PolyBase_MySQL_Excel].[dbo].[extExcel_Sales] AS tblExcel2
ON tblExcel1.PersonID COLLATE Japanese_CI_AS = tblExcel2.PersonID COLLATE Japanese_CI_AS
INNER JOIN [PolyBase_MySQL_Excel].[dbo].[extMySQL_Address] AS tblMysql
ON tblExcel1.PostCode COLLATE Japanese_CI_AS = tblMysql.PostCode COLLATE Japanese_CI_AS
ORDER BY tblExcel1.PersonID

 /*******************
削除する場合
*******************/
--DROP EXTERNAL TABLE [extDocker_Corp]
--DROP  EXTERNAL DATA SOURCE [DockerSQLServerInstance]
--DROP DATABASE SCOPED CREDENTIAL [DockerSQLServerCredential] 

--DROP EXTERNAL TABLE [extMySQL_Address]
--DROP  EXTERNAL DATA SOURCE [MySQLInstance]
--DROP DATABASE SCOPED CREDENTIAL [MySQLCredential] 

--DROP EXTERNAL TABLE [extExcel_Person]
--DROP  EXTERNAL DATA SOURCE [ExcelInstance]
--DROP DATABASE SCOPED CREDENTIAL [ExcelCredential] 

USE [master]
GO
ALTER DATABASE [PolyBase_MySQL_Excel] SET  SINGLE_USER WITH ROLLBACK IMMEDIATE
GO
USE [master]
GO
DROP DATABASE [PolyBase_MySQL_Excel]
GO

USE [master]
GO
ALTER DATABASE [PolyBase_Twitter] SET  SINGLE_USER WITH ROLLBACK IMMEDIATE
GO
USE [master]
GO
DROP DATABASE [PolyBase_Twitter]
GO

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--PolyBaseインストール状況確認

SELECT SERVERPROPERTY ('IsPolybaseInstalled') AS IsPolybaseInstalled;

--HadoopやAzureストレージにアクセスできるようにする

USE master;

EXEC sp_configure 'show advanced option', '1'

RECONFIGURE

EXEC sp_configure 'hadoop connectivity', 7

RECONFIGURE

--SQL Server 2019

USE master;

EXEC sp_configure 'polybase enabled', 1

RECONFIGURE

--PolyBase エラーを確認するクエリ

USE DWDiagnostics

SELECT TOP 100 *

FROM [DWDiagnostics].[dbo].[pdw_errors]

ORDER BY [DateTimePublished] DESC

/**********************************

*Load Data From Twitter Demo

**********************************/

--Create Database

USE [master]

CREATE DATABASE [PolyBase_Twitter]

CONTAINMENT = NONE

ON PRIMARY

( NAME = N'PolyBase_Twitter', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_Twitter.mdf' , SIZE = 8192KB , FILEGROWTH = 65536KB )

LOG ON

( NAME = N'PolyBase_Twitter_log', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_Twitter_log.ldf' , SIZE = 8192KB , FILEGROWTH = 65536KB )

ALTER DATABASE [PolyBase_Twitter] SET RECOVERY SIMPLE

--マスタキーを作成

USE [PolyBase_Twitter]

CREATE MASTER KEY ENCRYPTION BY PASSWORD = '{password}'

--ツイッター資格情報作成

USE [PolyBase_Twitter]

CREATE DATABASE SCOPED CREDENTIAL [TwitterCredential]

WITH IDENTITY = 'MyTwitter', Secret = ''

--資格情報を確認

select *

from sys.database_scoped_credentials

--外部データソースを作成する。

CREATE EXTERNAL DATA SOURCE [TwitterInstance]

WITH (

LOCATION = 'odbc://PolyBaseVM',

CONNECTION_OPTIONS ='DRIVER={CData ODBC Driver for Twitter};DSN=CData Twitter Sys',

CREDENTIAL = [TwitterCredential])

--外部データソースを確認する

select *

from sys.external_data_sources

CREATE EXTERNAL TABLE [extTwitter_Tweets](

[ID] NVARCHAR(60) COLLATE Japanese_CI_AS,

[IDLong] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[SearchTerms] NVARCHAR(400) COLLATE Japanese_CI_AS,

[Created_At] DATETIME2(0),

[Text] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Lang] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Source] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Favorited] BIT,

[Favorite_Count] INT,

[Retweeted] BIT,

[Retweet_Count] INT,

[Retweeted_Status_Id] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Truncated] BIT,

[Filter_Level] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Possibly_Sensitive] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Withheld_Copyright] BIT,

[Withheld_Scope] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Withheld_In_Countries] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Contributors] NVARCHAR(MAX) COLLATE Japanese_CI_AS,

[Coordinates_Coordinates] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Coordinates_Type] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Place_Full_Name] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Place_Country] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Current_User_Retweet_Id] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Scopes] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[In_Reply_To_Status_Id] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[From_User_Id] NVARCHAR(510) COLLATE Japanese_CI_AS,

[From_User_Screen_Name] NVARCHAR(510) COLLATE Japanese_CI_AS,

[From_User_Name] NVARCHAR(510) COLLATE Japanese_CI_AS,

[From_User_Location] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[From_User_Profile_URL] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[From_User_Profile_Image_Url] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[To_User_Id] NVARCHAR(510) COLLATE Japanese_CI_AS,

[To_User_Screen_Name] NVARCHAR(510) COLLATE Japanese_CI_AS,

[User_Mentions] NVARCHAR(MAX) COLLATE Japanese_CI_AS,

[URLs] NVARCHAR(MAX) COLLATE Japanese_CI_AS,

[Hashtags] NVARCHAR(MAX) COLLATE Japanese_CI_AS,

[Media] NVARCHAR(MAX) COLLATE Japanese_CI_AS,

[NextPageToken] NVARCHAR(4000) COLLATE Japanese_CI_AS)

WITH

(LOCATION = 'Tweets',DATA_SOURCE = [TwitterInstance])

--データを確認する

SELECT

[From_User_Name],

[Text],

[Created_At]

FROM [PolyBase_Twitter].[dbo].[extTwitter_Tweets]

ORDER BY

[Created_At] DESC

--データを確認する

SELECT

[From_User_Name],

[Text],

[Created_At]

FROM [PolyBase_Twitter].[dbo].[extTwitter_Tweets]

WHERE [Text] LIKE '%#jssug%'

OR [Text] LIKE '%#dbts2019%'

ORDER BY

[Created_At] DESC

/**********************************

*Load Data From Excel and MySQL Demo

**********************************/

--Create Database

USE [master]

CREATE DATABASE [PolyBase_MySQL_Excel]

CONTAINMENT = NONE

ON PRIMARY

( NAME = N'PolyBase_MySQL_Excel', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_MySQL_Excel.mdf' , SIZE = 8192KB , FILEGROWTH = 65536KB )

LOG ON

( NAME = N'PolyBase_MySQL_Excel_log', FILENAME = N'C:\Program Files\Microsoft SQL Server\MSSQL15.MSSQLSERVER\MSSQL\DATA\PolyBase_MySQL_Excel_log.ldf' , SIZE = 8192KB , FILEGROWTH = 65536KB )

ALTER DATABASE [PolyBase_MySQL_Excel] SET RECOVERY SIMPLE

--マスタキーを作成

USE [PolyBase_MySQL_Excel]

CREATE MASTER KEY ENCRYPTION BY PASSWORD = '{password}'

/*******************

External MySQL

*******************/

--現時点のSQL Server 2019 CTP2.1では、

--'<vendor>://<server>[:<port>]'

--の接続方法のなかに、vendorのパラメータには、「MySQL」が使えません。ODBC経由で接続しなければならない。

--あらかじめにODBC(64bit)のMySQL接続ドライバーを設定しておくこと。

--クエリのパフォーマンスを向上させるために、ドライバーで接続プールを有効にしていることを確認する。

--この操作は [ODBC データソースの管理者] から実現できる

--MySQLのログイン資格情報を作成する

USE [PolyBase_MySQL_Excel]

CREATE DATABASE SCOPED CREDENTIAL [MySQLCredential]

WITH IDENTITY = 'yangjiayi', Secret = '{password}'

--Credentialsを確認

select *

from sys.database_scoped_credentials

--外部データソースを作成する。

CREATE EXTERNAL DATA SOURCE [MySQLInstance]

WITH (

LOCATION = 'odbc://PolyBaseVM',

CONNECTION_OPTIONS ='Driver={MySQL ODBC 8.0 Unicode Driver};DSN=MySQL',

CREDENTIAL = [MySQLCredential])

--外部データソースを確認する

select *

from sys.external_data_sources

--外部テーブルを作成する

CREATE EXTERNAL TABLE [extMySQL_Address](

[PostCode] [nvarchar](8) NOT NULL,

[Location] [nvarchar](100) NOT NULL)

WITH

(LOCATION = 'PolyBaseDB.Address',DATA_SOURCE = [MySQLInstance])

--統計作成、おすすめ、パフォーマンス向上

CREATE STATISTICS [Statistics_PostCode] ON [extMySQL_Address]([PostCode]) WITH FULLSCAN

--データ確認

SELECT [PostCode],[Location]

FROM [PolyBase_MySQL_Excel].[dbo].[extMySQL_Address]

/*******************

External Excel Files

*******************/

--EXCELの資格情報を作成する

--資格情報はダミーだが、外部データソースを作成するときに、文法合わせるため、必要である。

--クエリのパフォーマンスを向上させるために、ドライバーで接続プールを有効にしていることを確認する。

--この操作は [ODBC データソースの管理者] から実現できる

USE [PolyBase_MySQL_Excel]

CREATE DATABASE SCOPED CREDENTIAL [ExcelCredential]

WITH IDENTITY = 'MyExcel', Secret = ''

--Credentialsを確認

select *

from sys.database_scoped_credentials

--外部データソースを作成する。

CREATE EXTERNAL DATA SOURCE [ExcelInstance]

WITH (

LOCATION = 'odbc://PolyBaseVM',

CONNECTION_OPTIONS ='DRIVER={CData ODBC Driver for Excel};DSN=CData Excel Sys',

CREDENTIAL = [ExcelCredential])

--外部データソースを確認する

select *

from sys.external_data_sources

--外部テーブルを作成する(Person)

CREATE EXTERNAL TABLE [extExcel_Person](

[RowId] INT NOT NULL,

[PersonID] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Name] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[CorpCode] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[PostCode] NVARCHAR(4000) COLLATE Japanese_CI_AS)

WITH

(LOCATION = 'PersonTbl',DATA_SOURCE = [ExcelInstance])

--統計作成、おすすめ、パフォーマンス向上

CREATE STATISTICS [Statistics_PersonID] ON [extExcel_Person]([PersonID]) WITH FULLSCAN

--データ確認

SELECT [PersonID],[Name],[CorpCode],[PostCode]

FROM [PolyBase_MySQL_Excel].[dbo].[extExcel_Person]

--外部テーブルを作成する(Sales)

CREATE EXTERNAL TABLE [extExcel_Sales](

[RowId] INT NOT NULL,

[PersonID] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Qty] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Price] NVARCHAR(4000) COLLATE Japanese_CI_AS,

[Total] NVARCHAR(4000) COLLATE Japanese_CI_AS)

WITH

(LOCATION = 'SalesTbl',DATA_SOURCE = [ExcelInstance])

--データ確認

SELECT [PersonID],[Qty],[Price],[Total]

FROM [PolyBase_MySQL_Excel].[dbo].[extExcel_Sales]

--各テーブル結合クエリ

SELECT tblExcel1.PersonID,tblExcel1.[Name],tblMysql.[Location],tblExcel2.Total

FROM [PolyBase_MySQL_Excel].[dbo].[extExcel_Person] AS tblExcel1

INNER JOIN [PolyBase_MySQL_Excel].[dbo].[extExcel_Sales] AS tblExcel2

ON tblExcel1.PersonID COLLATE Japanese_CI_AS = tblExcel2.PersonID COLLATE Japanese_CI_AS

INNER JOIN [PolyBase_MySQL_Excel].[dbo].[extMySQL_Address] AS tblMysql

ON tblExcel1.PostCode COLLATE Japanese_CI_AS = tblMysql.PostCode COLLATE Japanese_CI_AS

ORDER BY tblExcel1.PersonID

/*******************

削除する場合

*******************/

--DROP EXTERNAL TABLE [extDocker_Corp]

--DROP EXTERNAL DATA SOURCE [DockerSQLServerInstance]

--DROP DATABASE SCOPED CREDENTIAL [DockerSQLServerCredential]

--DROP EXTERNAL TABLE [extMySQL_Address]

--DROP EXTERNAL DATA SOURCE [MySQLInstance]

--DROP DATABASE SCOPED CREDENTIAL [MySQLCredential]

--DROP EXTERNAL TABLE [extExcel_Person]

--DROP EXTERNAL DATA SOURCE [ExcelInstance]

--DROP DATABASE SCOPED CREDENTIAL [ExcelCredential]

USE [master]

ALTER DATABASE [PolyBase_MySQL_Excel] SET SINGLE_USER WITH ROLLBACK IMMEDIATE

USE [master]

DROP DATABASE [PolyBase_MySQL_Excel]

USE [master]

ALTER DATABASE [PolyBase_Twitter] SET SINGLE_USER WITH ROLLBACK IMMEDIATE

USE [master]

DROP DATABASE [PolyBase_Twitter]

Tagged with: Polybase • SQL Server 2019