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Can we delete data element, which is being used by table fields.
No we cant delete data element.
State The position of object at any moment is called state. An object can have many states depend upon time. After receiving some input instructions, the object can change its
The following data are required to be stored by a family physician. Family#, FamilyAddress, Patient#, PatientName, ServiceCode, ServiceFee, ServiceDate A family can have seve
In the ER diagram, one example of subclassing is depicted following the Services entity. The subclasses Item Based and Time Based are created. The entity Services gains the attribu
Question: AirwaysCentre, an international airline booking company currently uses a relational database system for their operations, which includes the following relations: P
Normalize the given relation to 3NF, justifying each step
When a function module is activated syntax checking is performed automatically. YEs, a function module is activated syntax checking.
compare the features of oracle RDBMS with MySQL and Microsoft SQL server
What are the disadvantages of file processing system? The drawbacks of file processing systems are a) Data redundancy and inconsistency b) Complexity in accessing data
The dataset " CFOLYMPICS.XLS " contains the observations used in the above article. The definitions of the variables are also included in this spreadsheet. However, for the purpo
properties of derirable decomposition
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