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What is use of generating such tables? How can you create temporary tables?
When you require a table only for a short time after that you want it to disappear automatically you can go to generate a temporary table. This is extremely useful behaviour as you needn't remember to eliminate the table
Temporary tables can be created using the keyword CREATETEMPORARY TABLE
What are the Objectives of object design After going through this unit, you could be able to: explain steps of object design; discuss algorithms that reduce costs;
What was the method in which records are physically stored in a specified order according to a key field in each record ? A method in which records are physically stored within
1) Define a job scheduling strategy that will meet business requirement of reporting availability by 6am CST for the following cubes? Show the job scheduling dependencies in a pict
Write a query that display ename annual salary and comm from emp table
Explain Alternate key? Alternate Key - All the candidate keys except primary key are known as alternate keys.
10A.53 Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department. 10A.54 Code an Oracle Database trigger to allow the delet
how to calculate frequency count of algorithm
Equi Join: A join in which the joining condition is based on equality among values in the common columns. Common columns show (redundantly) in the result table. Let us Consider th
What is the need of a log in a DBMS? Briefly describe the various types of records that are normally present in a log. Ans: The system log, which is generally writt
What is meant by functional dependencies? Consider a relation schema R and α C R and β C R. The functional dependency α ->β holds on relational schema R if in any legal relati
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