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What is called query processing?
Query processing refers to the range of activities included in extracting data from a database.
The database files accept the actual data and are typically the biggest in size. Depending on their shape, the tables for all the user operation can go in one database file-but
Assume that you are responsible for selecting a new DBMS product for Sohar Hospital
#questiononsider the following relation: CAR_SALE =(CAR_ID,oPTION_TYPE, Option_listpreice, Sale_date, Option_discountedprice)..
Explain group By clause in SQL? Group By clause in SQL: The GROUP BY clause can be used in a SELECT statement to collect data across multiple records and group the results thro
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
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
I have a small project that contains 3 deliverable s. I have done the first one and I would like you to help me with second one
Which operation is used if we are interested in only certain columns of a table? PROJECTION operation is used if we are interested in only certain columns of a table.
Consider the join of a relation R with relation S. If R has m tuples and S has n tuples, then the maximum size of join is: If R has m tuples and S has n tuples then maximum siz
What is RDBMS terminology for a row? A tuple is a RDBMS terminology for a row
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