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Where does view definition stored?
A view definition is permanently stored as part of the database.
What are the three classes of SQL expression? SQL expression consists of three clauses: Select From Where
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Given the following relations TRAIN (NAME, START, DEST) TICKET (PNRNO., START, DEST, FARE) PASSENGER (NAME, ADDRESS, PNRNO.) Write SQL expressions for the following queries: No
Introductory course and so does not require any fancy coding. I will provide a guidance document to help you in producing the solutions.
Security: Data not needed by local applications is not stored at the site, therefore no unnecessary security violations may exist. But how can we carry out fragmentation? Fragm
What are shortcomings in structured approach? Structured methodology treats data and their behaviours separately, and this makes it harder to isolate changes. If changes are re
What is a hashing function? What are the properties of a good hashing function? Describe the folding technique for hashing functions. Ans: Hashing function is a method
Using Column aliases Example: To print column names as NAME and ANNUAL SALARY SELECT ENAME "NAME", SAL*12 "ANNUAL SALARY" FROM EMP;
#quCreate a database design specification (Enhanced Entity Relationship Diagram (EERD) and Relational Data Model (RDM)) from the given business description. The RDM must be in 3rd
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
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