Computer Science, asked by jeannie1752, 1 year ago

Where f is assumed to be a correct predicate on r in πa(σf(r)) = σf(πa(r))?

Answers

Answered by shruti046

0

kon se chp ka hai ye

Previous Question

Next Question

Similar questions

Math, 8 months ago

the Sixth class interval for a group data whose first two class intervals are 10 - 15 15 - 20 is...

Math, 8 months ago

Express the following in form of p/q 15.721...

Math, 8 months ago

give any two examples of similar figures...

Computer Science, 1 year ago

What will be the output of the program? class tree { } class pine extends tree { } class oak extends tree { } public class forest1 { public static void main (string [] args) { tree tree = new pine(); if( tree instanceof pine ) system.out.println ("pine"); else if( tree instanceof tree ) system.out.println ("tree"); else if( tree instanceof oak ) system.out.println ( "oak" ); else...

Economy, 1 year ago

Using both the liquidity preference framework and the supply and demand for bonds framework show why...

Science, 1 year ago

Obtain information about commonly used gadgets or device witch are based on the principles of Newton laws of motion...

English, 1 year ago

describe the odd man at the bridge story...

English, 1 year ago

navratri essay in english...