Oracle Database is a relational database management system developed by Oracle. Connect to on-premise Oracle Database to perform various actions such as create, update, get, and delete on rows in a table.This connector is available in the following products and regions:...
A family of Microsoft relational database management systems designed for ease of use. 423 questions Sign in to follow SharePoint SharePoint A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications. 11,230 questions Sign in to foll...
在關聯式資料庫 (Relational Database) 中,必須將所有的規則 (Rule) 套用於交易的修改,以維護所有的資料整合性 (Integrity)。 所有的內部資料結構,例如 B 型樹狀結構索引 (B-tree Index) 或是雙向連結串列 (Doubly-Linked List),在交易終止時必須是正確的。 隔離 並行的交易所做的修改,必須與其他任何並行的...
Relational data warehouse and analytic workloads might not be able to use columnstore indexes due to OLTP-overhead, lack of vendor support or other limitations. Without columnstore indexes, these workloads can't benefit from batch execution mode. Batch execution mode is now available for analytic wo...
Once you have migrated your data from Access to SQL Server, you now have a client/server database, which may be an on-premises or a hybrid Azure cloud solution. Either way, Access is now the presentation layer and SQL Server is the data layer. Now is a good time to...
Relational data, choices, and other new features for Dataverse or this Experimental switch: Use the Dataverse connector To find these switches, open the File menu, and then select App settings > Advanced settings.Connector in-depthFor more information about the connector, see the in-depth sectio...
Some QueryDef objects return their results in the form of a set of records. These objects perform similarly to what are known as views in other relational database systems. You can create an SQL statement and save it as a permanent QueryDef object in a database, and then use that QueryDef...
OLE DB providers can be classified as data providers and service providers. A data provider is one that owns data and exposes it in a tabular form. Some examples are relational database systems and spreadsheets. A service provider is any OLE DB component that does not own the data but encap...
Writing efficient queries in SQL Server is more an exercise in writing elegant relational queries than in knowing specific tricks and syntax tips. Generally, a well-written, relationally correct query written against a well-designed relationally correct database model that uses the correct indexes ...
A transaction must be an atomic unit of work; either all of its data modifications are performed, or none of them are performed. Consistency When completed, a transaction must leave all data in a consistent state. In a relational database, all rules must be applied to the transaction's mod...