ODBMSis a DBMS similar to a relational database, but with an object-oriented database model: objects, classes, and inheritance are specifically supported in database schemas and the query language. Moreover, it facilitates the extension of the data model with custom data types and methods, much...
In this scenario, you are archiving information for orders more than two years old. You can define selection criteria for the data based on values in a DATE column — particularly, the value in the ORDER_DATE column in the ORDERS table. To accomplish the task, you can use a unique operat...
Re: Define database model. #5 02-16-2019, 04:55:46 Data Models are fundamental entities to introduce abstraction in a DBMS. Data models define how data is connected to each other and how they are processed and stored inside the system. ...
Introduction to geodatabase data properties Geodatabase table properties An overview of table properties Define tables Define feature class properties Define fields in tables ArcGIS field data types Modify field properties Data types in the DBMS A quick tour of Unicode Spatial indexes Spatial ...
Select one of the predefined coordinate systems provided with ArcGIS. Browse to a geographic or projected coordinate system that appropriately represents the area in your data model. Import the coordinate system parameters used by another feature class. If you want to use the coordinate system of an...
Creating an appropriate feature class to suit your data model depends on the feature class properties described below. Name and alias When creating a feature class, provide a name that indicates the data the feature class stores. Feature class names must be unique in a database or geodataba...
The design of an extensible system, called the object shell, to define and query an object-oriented view of an existing database is described. An object-oriented view is defined by identifying the object types and the functions between them that are pres
Describe the role of encryption in ensuring confidentiality.How does a DBMS provide data security?What are the three pillars of information security?What is an information security threat?Describe some of the cyber security implications related to the application layer. 1. What is the m...
SQL was first introduced as a commercial database systemin 1979 […] SQL Server Generically, any database management system (DBMS) that can respond to queries from client machines formatted in the SQL language. When capitalized, the term generally refers to either of two database management ...
SQL Server Generically, any database management system (DBMS) that can respond to queries from client machines formatted in the SQL language. When capitalized, the term generally refers to either of two database management products from Sybase and Microsoft. Both companies offer client-server DBMS ...