Answer / divya

relational calculus is a declarative way to specify the queries,whereas relational algebra is a procedural way to specify the queries.

Answer / ajeet kr.sharma(weir)bharatpur

r.alg. is procedural lenguage while r.c. is non-procedural
lenguage.

Answer / megha aditya

relational algebra easy to manipulate then relational calculus..
modifications are easy in queries of relational algebra...  then in relational calculus

Answer / shalinithakur

RC are formed WFFs where as RA does not form any formula

Answer / ravina

The query is in the form of different operators in relational algebra and in calculus queries is in the form of formula.

Answer / parul

relational algebra is depend upon the order of operations
wheres
relational calculus does not depend upon the order of the operations

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0 Answers  

What is difference between server and database?

0 Answers  

How many indexes can be created on a table?

0 Answers   Abacus,

If we execute an query in MLOAD it's ran successfully, my questions is after successfully ran MLOAD. In error tables we can see anything there! is it possible than what are they?

3 Answers   CTS,

What is difference between data and database?

0 Answers  

Explain the field term used in database.

0 Answers  

What is the difference between data source and database?

0 Answers  

What is a reference table in database?

0 Answers  

Explain normalization in one line?

0 Answers   C DAC, CDAC,

What is replicaset?

0 Answers  

What is table scan and index scan?

0 Answers  

What is a driver in database?

0 Answers