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A foreign key constraint is used to represent a relationship in a RDBMS (relational database management system).

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What is meant by data type and briefly explain some commonly used data types in oracle?

right answer is in the sky.


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Entity-Relationship diagrams are useful for modelling data and the relationships between the data. They can be used when the constraints between data are relatively simple. They do not allow specification of interactions between the data or model how the data changes (there are no processes in Entity-Relationship). Entity-Relationship diagrams are most often used to model databases.


Which data type is the only one that can be used in calculations?

Which data type is the only one that can be used in calculations?


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It is possible to explain data structure in layman's terms. Simply put, in computer terms, a data structure is a commonly used method of data organization.


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Basically data types are divided into three types namely, 1. primary data type -> this is sub divide into int, float, char, void. 2. derived data type -> this is sub divide into array, pointer. 3. user defined data type -> this is sub divide into struct, union, enum, typedef. by, k.p.sruthi


What is the deterministic relationship definition and how does it impact data analysis?

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What secondary type of data is used in econometric models?

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How might the theory of evolution be used by scientists in their studies?

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What type of data do pareto charts used for calculation?

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Suggest the data type that can be used for initializing alphanumeric elements in a c programmed array .Also tell you the compiler that can understand the data type.?

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