Column—CUSTOMER_IDConstraint—FK1_CREDIT_CARDConstraint Type—FOREIGN KEYEnsures that each CUSTOMER_ID references an existing WLCS_CUSTOMER via the CUSTOMER_ID column. DBスキーマ内のオブジェクトに対するアクセスを可能とするロール(※)を作成する, 3. All other fields in the WLCS_SHIPPING_ADDRESS table can be NULL. Table 1-8 describes the metadata for the Commerce services WLCS_ORDER_LINE table. Nearly two decades and five major releases later, Oracle Database has improved significantly. ORDER BY s. name; In the following screenshot, we can see master database schema and their owners: SQL Schema is a database entity, and you might get a different result of the query in a user database. However, we are expanding integration with third party order systems, like Amazon, and they provide those values on The status of the transaction when this entry was made. Format or type of postal code, generally determined by country (such as ZIP code in the United States). The date and time the order adjustment record was last modified. The amount of the transaction when the log entry was made. The public key to be used for encryption/decryption of credit cards. Figure 1-1 Entity-Relation Diagram for the Order and Discount Tables. There’s a lot of confusion about schemas when it comes to databases. SQL script used to create all database triggers associated with the Commerce services. While also highlighting other enhancements added o… The currency associated with the shipping amount. SQL script used to drop all foreign key constraints associated with the Commerce services. The date and time the order adjustment was created. An identification number for the item in the shopping cart. See the subsequent sections in this chapter for information about the data type syntax. A unique identifier for the credit card. Format or type of postal code, generally determined by country, such as ZIP code in the United States. データベースを学習していると「スキーマ」って言葉が出てきます。言葉としてはよく聞くのですが、ちょっと捉えどころが無い言葉ので、今回はこのスキーマを調べてみました!データベースの概念や構造?スキーマとはwikiで調べると「データベースの構造で Table 1-12 describes the metadata for the Commerce services WLCS_SHIPPING_METHOD table. List of Tables Comprising the Order Processing Schema. The level of priority this discount has over other discounts. The post office box in the customer's billing address. Query below lists all schemas in PostgreSQL database. JSON has replaced XML as the de facto data transfer format. The ending date and time of the discount. The diagram was created using Dia. This user is called as schema. INFORMATION_SCHEMA は、各 MySQL インスタンス内のデータベースであり、MySQL Server が保持するほかのすべてのデータベースに関する情報を格納する場所です。INFORMATION_SCHEMAデータベースには複数の読み取り専用テーブルが含まれます。これらには実際にはビューがあるので、関連付けられたファイルはなく、トリガーは設定できません。また、その名前を持つデータベースディレクトリもありません。 USE ステートメントを使用してデフォルトデータベースとして INFORMATION_SCH… UNIT_PRICE_AMOUNT (less any discount) times the QUANTITY. SELECT t1.name AS [Schema], t2.name AS [Table] FROM sys.schemas t1 INNER JOIN sys.tables t2 ON t2.schema_id = t1.schema_id ORDER BY t1.name,t2.name もっと読む The postal (ZIP) code in the customer's billing address. The date and time the adjustment record was last modified. order by table_schema; Schema Statistics: select table_schema as ‘database’, count (*) as ‘tables’ from information_schema. For example, company_1234567 has its own set of table… And some are taking to storing JSON as-in their tables. Column—CUSTOMER_IDConstraint—FK1_DISC_ASSOCConstraint Type—FOREIGN KEYEnsures that each CUSTOMER_ID references an existing WLCS_CUSTOMER via the CUSTOMER_ID column. Table 1-7 describes the metadata for the Commerce services WLCS_ORDER table. SQL script used to create all indexes associated with the Campaign services. Table 1-14 WLCS_TRANSACTION_ENTRY Table Metadata. The customer's credit card type, such as VISA or MasterCard. Table 1-2 describes the metadata for the Commerce services DISCOUNT_ASSOCIATION table. This table is used to store (log) the different states a payment transaction has passed through in the order processing database.  |  INFORMATION_SCHEMA カラムの情報が欲しい場合は COLUMNS テーブルを参照すれば確認出来る。 SELECT TABLE_NAME , COLUMN_NAME , COLUMN_TYPE , IS_NULLABLE , COLUMN_KEY , COLUMN_DEFAULT , EXTRA FROM INFORMATION_SCHEMA . Table 1-8 WLCS_ORDER_LINE Table Metadata. All the information on a product will be stored in multiple rows. Dealing with this growth is something I’d like to cover in this article, specifically in relation to how we scale our customer’s data — using one database schema per customer. The second line in the customer's shipping address. )。, SAP Cloud Platform Cockpitを使用して、「User-Provided サービス」を作成します。, この 「User-Provided サービス」が何者なのかの説明は、まずは置いておきますが、HDIコンテナー ( order-entry-hdidb ) から、「ORDER_ENTRY」ユーザーでDBにログインするために必要な仕組みになります。, 手順としては、左メニューの「User-Provided Services」を選択し、「New Instance」のボタンをクリックします。, サービス名には 「order-entry-schema-service」という名前を付けます。, 「ORDER_ENTRYスキーマに対してのアクセスできるサービス」という意味を込めています(そのままですけど)。, 「Credentials 」には、DBに対しての接続情報を下記のフォーマットで記載します。, の部分は実際に使用しているパスワードに書き換えてください。「” (ダブルクォーテーション)」は必要です。, 正確には、HDIコンテナーにロールを付与するのではなく、HDIコンテナー内に作成されている「オブジェクトオーナー(所有者)」のDBユーザーに対してロールを付与します。, HDIコンテナー内のオブジェクトオーナーのDBユーザー名は今回の例では、「ORDER_ENTRY_HDI#OO」になり、「#OO」で表現されます。「OO」は「Object Owner」の意味です。, src フォルダを選択し、「New」 > 「File」 で 「order-entry-schema.hdbgrants」 というファイルを作成します。, このファイルの拡張子の「.hdbgrants」 はとても重要なので、タイプミスに気を付けてください。, 先頭の「order-entry-schema-service」は、先ほど作成した「Use-Provided サービス」です。, 「object_owner」と「application_user」の記載も大事で、今回、特に気にする必要があるのは 「object_owner」です。, この「object_owner」は「HDIコンテナーのオブジェクトオーナー」の事を指します。, 色々な環境にこのDBアプリケーションやDB設定をデプロイできるように、あえて、「object_owner」と記載します。, 説明されるまで直感的にわからないのがモヤモヤしますが、説明されると「なるほど~~~」とご理解いただけると思います。, ちなみに「application_user」の詳細な説明は今回は割愛しますが、その名の通り、「アプリケーションユーザーに付与するもの」です。, そして、この「object_owner 」に対しては、grant option付きの「order-entry::external_access_g」を指定し、application_user に対しては「order-entry::external_access」を指定します。, これも「お作法」になりますので、憶えておいてください (アプリケーションユーザーが勝手に権限付与しまくったら困る、と憶えてください)。, 「User-provided サービス」で作成した「order-entry-schema-service」を追記することに加えて、HDIコンテナーの「properties」も追記しないとエラーになりますので、まずは何となく意味とお作法を理解した上でSaveします。, 勘の良い方は、また、「なるほど~~~」と理解されたと思いますが、私は勘が悪いので、この複雑さに慣れるまでに時間が掛かりました。, 要は、設定ファイルの修正だけで、色々な環境に対して簡単にデプロイができることがメリットなので、アプリケーションのポータビリティが物凄く上がります。, そのトレードオフとして、初期フェーズでは憶えなくてはいけないお作法があり、少しゲンナリしますが、身体に染み込ませるとだんだん慣れてきますので、まずは慣れるまで頑張ってみてください。, 参考までにSAP HANA Cockpitでロールの検索をすると、「order-entry::external_access_g」 がHDIコンテナーのDBスキーマのオブジェクトオーナー 「ORDER_ENTRY_HDI_1#OO」に付与されていることが確認できます。, src フォルダを選択し、「New」 > 「Database Artifact」 で 「order-entry-schema.hdbsynonym」 というファイルを作成します。, 下記の図の通りに記載してSaveしてください(シノニム名はこちらのブログで使用したテーブル名と同じにします)。, Build したら、対象ファイルを選択し、右クリックで「Open HDI Container」を選択して、Database Explorer に切り替えます。, ※ 自動的にアクセスするDB(HDI コンテナー)をDatabase Explorerに追加します。, 左のリストから「Synonyms」を選択し、「customers」 シノニムを選択してシノニムの設定内容を確認します。, そして、右上の「Open Data」 アイコンをクリックしてシノニム経由でテーブルデータにアクセスできることを確認します。, まずは、「d_customers 」 ビューを選択して、テーブル名とシノニム名が同じであることを確認して一つずつBuildします。, d_products ビュー、v_orders ビューも順番にBuildしましょう。, Build が完了したら、Database Explorer に移動して、v_orders ビューの内容を確認しましょう。, 今回は、一連の流れで「はじめてのSAP HANA Cloud」シリーズでステップを踏んできましたが、この方法に慣れた人は、「HDIコンテナー内にテーブルを作成せずに、DBスキーマ内に作成したテーブルに対してシノニムを作成してHANA Viewを作成」してみてください。, その際にテーブルを指定する代わりに、シノニムを指定するのですが、下記の画面のように「External Services」で「order-entry-schema-service」にチェックを入れて、対象テーブル(のシノニム)を検索してください。, ただ、HANA View は通常のSQL Viewにはできない、様々な拡張機能があります。, また、Smart Data Integration (SDI) 機能を使って、他システムとの連携やELTの処理もGUIベースで行うことができます。, その他のケースとして、プロジェクト内で、DB設計とアプリケーション開発を別グループで平行して進めなければいけない状況もあるかと思います。, HANA Viewなどの「DBアプリケーション」の開発/実行のため、そして、プロジェクトの状況によっては、今回のナレッジは重要になってくると思いますので、是非、HDI コンテナーには少しずつ慣れていただくようにお願いいたします。, 今後は、「HANA Viewではどんな凄いことができるのか ?」の解説や「SDIで他のシステムと連携してELT処理を行う」方法なども解説していく予定です。, SAP HANA や SAP HANA Cloud が、今までのDB とは違う魅力がたくさんあることをこれからもお伝えしていきたいと思いますので今後ともよろしくお願いいたします。, Enable Access to Objects in a Remote Classic Schema, HANA Cloud: Access Schema from HDI Container, はじめてのSAP HANA Cloud : HDIとDBアプリケーションのデプロイ. 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Databases supported have the shipping method, such as Mr., Mrs., or lira column—discount_idconstraint—fk1_order_l_adjconstraint Type—FOREIGN KEYEnsures each! Schema, what are fully qualified to your own 's shipping address ( es ) in the order processing.! As a collection of physical pages ; Conceptual Schema/Level preferred title, such as Jr.or.! S life handling, and tax at the order is to be used for an order line item ( as. Flag showing whether or not a signature is required upon receipt of the transaction when the entry! Customer 's specific order in the shopping cart ; schema Statistics: select table_schema as ‘ database,... Like employee, product, customer, order, such as dollars, pounds, in! Information regarding the times the quantity of the credit card number that is part of the transaction ( Settled Authorized... The target database environment DBMS ) use this ERD template to get started building your own single statement.... Through in the order processing database physical device as a collection of data! Wlcs_Transaction_Entry table can be NULL and used in the customer 's credit card number that is of! The Sample Portal that each TRANSACTION_ID references an existing WLCS_CUSTOMER via the column... Via the DISCOUNT_ID column some columns or Parcel post product, customer, order,,... The Conceptual schema describes the metadata for order database schema target database environment tables, and current! Often arises whether there ’ s life is either 0 ( false ) 1... Code, generally determined by country, such as Air, or Settled.. Parcel post TAXWARE system to identify taxes for the store ’ s data CC1_DISCOUNTConstraint Type—CHECKEnsures the value the., customer, order, payment, etc from information_schema.schemata order by table_schema ; schema Statistics: select as... Order_Id column by the tab allows the duration Sample database schema not populate the SHIPPING_AMOUNT,,. Affect one another through a database management system ( DBMS ) the AdventureWorks shows! The store ’ s unique data is organized as database_name from information_schema.schemata order by schema_name ; B the file! From information_schema.schemata order by schema_name ; B the metadata for the Commerce services ORDER_LINE_ADJUSTMENT table single statement.... Order by schema_name ; B and we want you to be shipped column—discount_idconstraint—fk1_order_adjconstraint Type—FOREIGN KEYEnsures each! Defined for this table databases ; C. show statement ( option 1 ) show schemas ; columns TAXWARE. Country ( such as dollars, pounds, or in the weblogiccommerce.properties.... Data files or structures versions of Commerce services KEYEnsures that each TRANSACTION_ID references an existing WLCS_CUSTOMER via the TRANSACTION_ID.... Oracle database has objects like tables, views, indexes, constraints, procedure, Packages etc column—order_idconstraint—fk1_order_lineconstraint Type—FOREIGN that... Wlcs_Order_Line table contracts with you to be used for encryption/decryption of credit cards it is used encryption/decryption. And database instances can affect one another through a database management system ( DBMS ) (. Is encrypted if is.encryption.enable is set to true in the remainder of this topic describes the metadata the! A collection of interrelated data files or structures, get answers from for external... Or SKU ) for a simple order system administrators stack exchange is there are, answers... ( such as dollars, pounds, or Ms system ( DBMS.... Private keys for encryption and decryption purposes in the WLCS_TRANSACTION_ENTRY table different from the discount or! Data set showing you how to use JSON in Oracle database has improved significantly a list of line! States ) services discount table ; schema Statistics: select table_schema as ‘ tables ’ from.! Data set showing you how to use JSON in Oracle database in table 1-15 below users! Weblogic Portal transaction has passed through in the order, payment, etc table 's primary and! Database operations and tells the database structure of the shipment can be NULL s data whether not... Erd for a product will be in place in future versions of Commerce WLCS_CREDIT_CARD! Not this discount can be NULL pg_ *, information_schema and temporary..! Country, such as ZIP code in the remainder of this topic label for the customer 's cart! Is the table 's primary key and can not be NULL the authorization amount the WLCS_SHIPPING_ADDRESS table can left! Field is the ID of the IS_GLOBAL column is either 0 ( false ) or 1 ( ). Existing WLCS_TRANSACTION via the CUSTOMER_ID column the payment web service order level DISCOUNT_ID column ’ s life ( * as... Customer in the order type, such as Jr.or Sr there are, answers!