Another that comes up on occasion is Oracle, especially in companies that already have a significant investment in Oracle DBMS. This Planning Assumption was triggered by several client requests for a comparison of the first three of these solutions, suggesting this more detailed treatment. The ...
You are defining a database table. Which of the following best explains why you would assign a Social Security number field as a text field? a. The field will not be manipulated mathematically. b. This is the default type for most DBMS table...
Technically, it is rather easy to connect different relational DBMS (e.g., via ODBC or JDBC). More demanding is to integrate data described by different data models; even worse are the problems caused by data with heterogeneous semantics. For instance, having only the name "loss" to denote...
In this first generation, data quality was interpreted as the correctness of the data's ‘content’ and implemented as simple conformity checks in database management systems (DBMS) [11]. Organizations documented these checks in data models and realized them as integrity constraints (e.g., ...
reality with the arrival of grid and cloud computing. At the same time‚ databases grow to sizes beyond what can be efficiently managed by single serversystems. There is a need for efficient distributed database managementsystems(DBMSs). Current distributed DBMSs are not built to scale to ...