Cosmos DB
 

Cosmos DB FireDAC Components

Delphi & C++Builder アプリの外部データ接続機能を拡張!

Delphi とC++ Builder アプリをAzure Cosmos DB にリアルタイム接続。簡単かつ高速です。


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Cosmos DB FireDAC Component を使えば、Delphi & C++ Builder アプリケーションからCosmos DB データに簡単に連携できます。 Rapidly create and deploy powerful Delphi & C++Builder Apps that integrate with Cosmos DB document databases.

機能紹介

  • Access any Azure CosmosDB instance setup using the MongoDB API
  • Enables SQL-92 capabilities on Azure Cosmos DB NoSQL data.
  • Flexible NoSQL flattening - automatic schema generation, flexible querying etc.
  • Connect to live Azure Cosmos DB data, for real-time data access
  • Full support for data aggregation and complex JOINs in SQL queries
  • Secure connectivity through modern cryptography, including TLS 1.2, SHA-256, ECC, etc.

Specifications

  • Native FireDAC Components for Cosmos DB seamlessly integrate with RAD Studio
  • Comprehensive support for CRUD (Create, Read, Update, & Delete)
  • Full Unicode support for data, parameter, & metadata
  • Support for 32-bit & 64-bit operating systems
  • Requires Delphi, C++ Builder, or RAD Studio 10.2 Professional or higher


AVAILABLE IN:
FireDAC SUBSCRIPTIONS
225+ FireDAC Drivers For Real-Time Data Access
詳細

FireDAC Components

あらゆるデータソースにRDB と同感覚で連携が可能に



標準FireDAC Components


MySQL やSQL Server のようなRDBMS への接続と同感覚。 TDFManager、TDFConnection、TDFQueryUse といった標準FireDAC components として。


	FDConnection1.Name := 'CosmosDBConnection';
	FDConnection1.DriverName := 'CData.Fire.CosmosDB';
	with FDConnection1.Params as
	    TFDPhysCDataCosmosDBConnectionDefParams do begin

	    ...
	end;


	FDConnection1.Connected := true;
	FDQuery1.Active := true;
	FDQuery1.Open('select * from DocumentDB');

	...

	

Type SQL, Get Cosmos DB


データ連携アプリケーションを開発する最適解。 RDBMS の扱いと同感覚で、Cosmos DB への連携を、標準SQL で実装可能。JOIN、更新系、集計など多彩なSQL サポート。

SELECT WITH INNER JOIN

	SELECT DocumentDB.Id, DocumentDB.Name, DocumentDB.Fax,
	  Opportunity.AccountId, Opportunity.CloseDate
	FROM DocumentDB
	INNER JOIN Opportunity
	  ON DocumentDB.Id = Opportunity.AccountId
	

集計関数

	SELECT Name, AVG(AnnualRevenue) FROM DocumentDB GROUP BY Name
	

CRUD 処理

	UPDATE DocumentDB SET Name='John' WHERE Id = @myId
	


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