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Grant: It is used to give database access permission to users. It is of two types
(1) system level permission
(2) Object level permission.
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
FDs in Entities : Student entity : Enrolment number → Student name, Address Course Entity :
Concatenation operator Example : Printing name and job as one string as column name employees: SELECT ENAME||JOB "EMPLOYEES" FROM EMP;
Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h
explain thee diffrent types of data models
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Need an expert in ER database theoretical and modeling database system Project Description: Need an expert in ER database theoretical and modeling database systems? Skills
Describe the various types of Online Analytical Processing (OLAP) tools and briefly discuss how the support common analytical operations.
Do NOT use the timestamp type. Use separate date and time data types only. Figure out how to define an SQL insert statement that uses built-in SQL (or MySQL) functions to define
write-set(T): Each data items that are written by a transaction T
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