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How to create values of structured type?
Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a constructor function for the structured type.
give some example real-life situations where DBMS are most suiitabe
Which is another name for weak entity? Child is another name of weak entity.
Examples:- Hierarchical Model: It tells data as and relationships by hierarchy of data values. Figure illustrates an example of hierarchical model. Now a day's these models are
What are the advantages and disadvantages of merging an association into a class? Advantages: i) Less number of tables ii) Faster performance due to the fewer tables
A database is to be constructed to remain track of the teams and games of a sport league. A team has a number of players, not all of whom participate in every game. It is desired
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Write an sql statement to find what is the percentage of home policies which are from the state of Arizona out of all Home policies by Policy Value.
How persistent programming languages differ from traditional programming languages? Database languages vary from traditional programming languages in that they directly manipul
Explain the three data models namely relational, network and hierarchical and evaluate their relative advantages and disadvantages. Hierarchical Model: In hierarchical model, da
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