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Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields
(i) Display name, job, salary, and hire date of employee who are hired between May 10, 1975 and December 20, 1980. Order the query within ascending order of hire date. (ii) Display name and hire date of employee who are employed after employee ‘RAGHAV'.
(i) Select name, job, salary, hire date from employee where hire date between ‘May-10-1975' and ‘Dec-20-1980' order by hire date; (ii) Select name, hire date from employee Where hire date> (select hire date from employee where name= ‘Raghav');
In an organization several projects are undertaken. Each project can employ one or more employees. Each employee can work on one or more projects. Each project is undertaken on the
Q. Define a weak entity set and its identifying relationship. List the necessary conditions for a meaningful identifying relationship set of a weak entity set. Entity is a t
Explain Growing Phase of locking Growing Phase: In this phase the transaction can only obtain locks, but cannot release any lock. The transaction enters the growing phase as so
What are the components of storage manager? The storage manager components include a) Authorization and integrity manager b) Transaction manager c) Buffer manager d
What are the Objectives of Advance object design After this unit, you shall be able to: combine three OOAD models to obtain operations on the classes; develop algo
Explain in details about Data Sharing
What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
Define outer union operation of the relational algebra. Compute the outer union for the relations R and S given below. Outer Join - If there are any values in one tabl
Spanned and unspanned organisation? Spanned and unspanned organization: If records are not permited to cross block boundaries then the organisation is called unspanned record
how to operate database in access ?
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