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Provide Examples of different types of Time and Date formats.
It's most common store dates using a dash (-) as a colon (:)and the delimiter as the time delimiter. The given formats can as well be used.
2008-10-23 10:37:22
20081023103722
2008/10/23 10.37.22
2008*10*23*10*37*22
Update Operations and Dealing with Constraint Violations There are three basic operations to be executes on relations: Insertion Deletion Update The INSER
Define an operator that a Relational Algebra does not have Ans: Relational Algebra does not have Aggregation operators.
Explain the differences between structured data and unstructured data. Structured data are facts concerning objects and events. The most significant structured data are numeric
Can you assist me in Database management system? I need help in my courses, please email me at and get back me soon...
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Which data type can store unstructured data? Raw data type can store unstructured data.
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
What are the two methods for dealing deadlock problem? The two procedures for dealing deadlock problem is deadlock detection and deadlock recovery.
What's the difference between a primary key and a unique key? Both primary key and unique key enforces uniqueness of the column on which they are explained. But by default prim
Write a query to define tables students and teachers as sub tables of people? Create table students of student under people Create table teachers of teacher under people
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