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What are the 3 types of relationships that can exist between database tables?
There are three types of relationships between the data you are likely to encounter at this stage in the design: one-to-one, one-to-many, and many-to-many. To be able to identify these relationships, you need to examine the data and have an understanding of what business rules apply to the data and tables.
What are the relationships between database tables?
Database relationships are associations between tables that are created using join statements to retrieve data. The following table describes the database relationships. Both tables can have only one record on each side of the relationship. Each primary key value relates to none or only one record in the related table.
What is a assests table?
An Asset Table returns an asset when requested via a Key (an identifying name or unique id) for a specific Locale. An entry in an Asset Table contains a Key Id and the GUID of the referenced asset that will be used to load it via the Addressables system.
What is an asset management database?
An Asset Management Database (AMDB) is a database containing all data needed to support Availability Management and may be part of the Configuration Management Database.
What should be included in an asset table?
Assets Table
- Provider.
- Asset Account.
- Asset Type.
- Asset ID.
- Name.
- Provision Date.
- Status.
- Cost/M.
Is CMDB same as asset management?
The major difference between CMDB and Asset Management is that CMDB contains Assets as Configuration Items (CIs), whereas, Assets, by themselves, are standalone items that have intrinsic financial value to an organization. Thats the long and short of it.
How do you determine relationships in a database?
A relationship works by matching data in key columns, usually columns (or fields) that have the same name in both tables. In most cases, the relationship connects the primary key, or the unique identifier column for each row, from one table to a field in another table.
What is asset data model?
A physical data model is a design schema for information assets that defines the physical structures and relationships of data within a subject domain or application. Physical data models are independent of implementation or platform details.
What data should be in CMDB?
CMDB is a repository that should contain only business critical items that you want to track. It should contain a record of information that allows you to answer business critical questions and helps you to connect business processes. CMDB should contain all the items that are important for your business or a service.