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Problem
1. Write the SQL queries using Data Manipulation Language (DML) statements.
>> Writing SQL using DML for each part:
2. Create the payroll database considering table employee.
1. Do simple queries on the above database.
i. list all information of the above both tables.
ii. list the empno, ename, jobtitle,and hiredate of employee from the employee table.
2. list the name, salary of the employees who are clerks. 3. list the name,job,salary of every employee joined on certain date. (say ‘december 17,1980') 4. list name and annual salary of all the employees. 5. list the employees who have salary between certain range (say between Rs. 1000 & 2000)
>> Creating database according to 5 subparts
1. Develop a flowchart using the decision structure to solve the following problem. A Box Lunch Bonanza is a small catering company that offers 2 different types of box lunches
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
Consider a systems development project with the following data Activity Duration (weeks) Precedence Relationship 1. Software design
explain external view
The functions of DBA ?
a. Construct a query around any one of the functional divisions you made in 4a such that if executed in the distributed design of 4 would require reconstruction of at least two ho
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
Reflects organisational structure: Many organizations are distributed over various locations. If an organisation has many offices in dissimilar cities, databases used in such an ap
Explain the conventions for displaying an ER schema as an ER diagram? An E-R Diagram scheme might describe certain constraints to that the contents of a database must conform.
Define Thomas write rule Thomas' write rule: The Thomas' write rule is a modification of timestamp-ordering protocol for concurrency control. Assume that transaction T i issue
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