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Data analysis and design, give some example real-life situations where DBMS...

give some example real-life situations where DBMS are most suiitabe

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Define Database layer? The database layer defines the data formats used in the database.

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The following data are required to be stored by a family physician. Family#, FamilyAddress, Patient#, PatientName, ServiceCode, ServiceFee, ServiceDate A family can have seve

Insert statement reverses storage space and transfers value, A field-groups...

A field-groups statement or an insert statement reverses storage space and transfers values. False.

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Explain the following functions of Oracle with suitable examples: (i) To_Char( ) (ii) Count( ) (iii) Trim( ) (iv) Length( ) Ans: (i) To_char( ): The TO_CHAR function conver

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How does a query tree represent a relational algebra expression?      Ans: This includes transforming an initial expression (tree) into an equivalent expression (tree) that is

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Maping constraits, #question.what is mapping constraints and types?.

#question.what is mapping constraints and types?.

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