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Thursday, November 12, 2020

java theory question set 6 ( Balagurusamy )

 1. fall through

2. which is faster ??? ifelse or switch

3. use of ternary operator.

java theory question set 5 ( Balagurusamy )

 

1. What is mixed mode arithmatic?

2. Difference between >> and >>>.

3. generic type casting.

4.implicit ,explicit type casting.

5. operator priority and precedance

Tuesday, November 10, 2020

SQL - STEP BY STEP

 1.  SQL1 dept create table without primary key.

2. SQL2 data insertion into two ways.



3. SQL3 display dept table.

4. SQL4 display column in a table.

5. SQL5.USE OF WHERE IN A TABLE.

6. SQL6 display data where location=mumbai. 


7. SQL7 WHAT IS MAIN PROBLEM IF WE NOT USE ANY PRIMARY KEY IN A TABLE.

8. SQL8 DELETE THE TABLE DEPT.


9. SQL9 PRIMARY KEY CREATION IN TABLE.



10.  SQL10 ADVANTAGES OF PRIMARY KEY IN A TABLE.


11. SQL11 USE OF DESC IN SQL .


12.  SQL12 USE OF DEFAULT VALUE IN SQL TABLE.



13. SQL13 HOW FOREIGN KEY IS CREATED??


14. SQL14 WHY FOREIGN KEY IS USED??


15. SQL15 USE OF BETWEEN KEYWORD IN SQL.


16. SQL16 USE OF NOT BETWEEN IN SQL.


17. SQL17 CURRENT DATE USING SYSDATE IN SQL.


18. SQL18 DUAL TABLE IN SQL.

19.SQL19 ARITHMETIC OPERATION IN SQL USING DUAL TABLE. 

20.SQL20 COLUMN RENAME USING AS IN SQL.

21. SQL21 STRING PATTERN MATCHING. 


22. SQL22 ENDING WITH A LETTER. STRING PATTERN MATCHING. 



23.  SQL23 SATRTING WITH TWO LETTER।


24. SQL24 ENDING WITH TWO LETTER।





25. SQL25 STARTING AND ENDING WITH LETTER.




26. SQL26 SECOND LETTER MATCHING।


27. SQL27 3RD LETTER MATCHING। 


28. SQL28 4 LENTH NAME OR 4 LENGTH STRING।
 


29. SQL29 SECOND LETTER AND 4TH LETTER CHECKING. 




30. SQL30 a letter in ANY POSITION. 



31. SQL31 matches a SUBSTRING



32. SQL32 4 LENGTH BUT STARTING WITH A.




33. SQL33 4LENTH AND ENDING WITH A.




34. SQL34 NAME WITH TWO AA





35.  SQL35 FUNCTION OF COUNT() , COUNT() এর কাজ।





36. SQL36 FUNCTION OF MAX(), MAX() এর কাজ।



37. SQL37 FUNCTION OF MIN(), MIN () এর কাজ।



38.SQL38 FUNCTION OF SUM(), SUM() এর কাজ।



39. SQL39 FUNCTION OF AVG(), AVG()এর কাজ।


40. SQL40 USE OF IN, IN এর কাজ।


41. SQL41 FUNCTION OF NOT IN, NOT IN এর কাজ।




42.SQL42 FUNCTION OF GROUP BY. GROUP BY এর কাজ।


 




















































Friday, October 30, 2020

APPLY FAMILY IN R LANGUAGE: 3.SAPPLY () IN R LANGUAGE:

 APPLY FAMILY IN R LANGUAGE:

3.SAPPLY () IN R LANGUAGE:




1. MATRIX CREATION IN R LANGUAGE , ADDITION OF TWO MATRICES IN R LANGUAGE , SUBTRACTION OF TWO MATRICES IN R LANGUAGE, MULTIPLICATION OF TWO MATRICES IN R LANGUAGE, DIVISION OF TWO MATRICES IN R LANGUAGE -

 1. MATRIX CREATION IN R LANGUAGE , ADDITION OF TWO MATRICES IN R LANGUAGE , SUBTRACTION OF TWO MATRICES IN R LANGUAGE, MULTIPLICATION OF TWO MATRICES IN R LANGUAGE, DIVISION OF TWO MATRICES IN R LANGUAGE -



APPLY FAMILY IN R LANGUAGE: 1.APPLY() IN R LANGUAGE:

 APPLY FAMILY IN R LANGUAGE:

1.APPLY() IN R LANGUAGE: 




APPLY FAMILY IN R LANGUAGE: 2.LAPPLY() IN R LANGUAGE:

 APPLY FAMILY IN R LANGUAGE:

2.LAPPLY() IN R LANGUAGE:



MERGE SORT IN R LANGUAGE

 MERGE SORT IN R LANGUAGE -






MERGE SORT THEORY 


VECTOR USING RANDOM VALUES -

 VECTOR USING RANDOM VALUES - 



SELECTION SORT IN R LANGUAGE -

 SELECTION SORT IN R LANGUAGE  -





SELECTION SORT THEORY - 



RANDOMIZED QUICK SORT IN R LANGUAGE -

  RANDOMIZED QUICK SORT IN R LANGUAGE  - 






QUICK SORT THEORY 



INSERTION SORT IN R LANGUAGE -

 INSERTION SORT IN R LANGUAGE  - 






INSERTION SORT THEORY:



BUBBLE SORT IN R LANGUAGE -

 BUBBLE SORT IN R LANGUAGE  -







BUBBLE SORT THEORY - 



BINARY SEARCH IN R LANGUAGE -

 BINARY SEARCH IN R LANGUAGE  - 








BINARY SEARCH THEORY :



LINEAR SEARCH IN R LANGUAGE -

 LINEAR SEARCH IN R LANGUAGE  -







THEORY OF LINEAR SEARCH :



SUM AND AVERAGE OF ELEMENTS INVECTOR IN R LANGUAGE

 SUM AND AVERAGE OF ELEMENTS INVECTOR  IN R LANGUAGE




LARGEST AND SMALLEST ELEMENT IN VECTOR IN R LANGUAGE

  LARGEST AND SMALLEST ELEMENT IN VECTOR IN R LANGUAGE




Thursday, October 29, 2020

NAMECC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
UNIQUE NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
HAPPY NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
STRONG NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
ARMSTRONG NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
PRONIC NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
KAPREKAR NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
KRISHNAMURTY NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
DEFICIENT NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
ABUNDANT NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
DISARIUM NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
UGLY NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
PERFECT NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
CATALAN NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
AUTOMORPHIC NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
DUCK NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
AMICABLE NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
PRIME NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
CYCLIC NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
FERMAT NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
MERSENNE NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
KEITH NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP
LUCKY NUMBERCC++JAVAPYTHONRVBSHELLJAVA SCRIPTPHP

VECTOR CREATION, MODIFICATION,DELETION,BASIC OPERARTION OF TWO VECTORS ( R LANGUAGE )

 VECTOR CREATION, MODIFICATION,DELETION IN R LANGUAGE

INDEXING, INDEXING WITH LOGICAL VALUES, INDEXING WITH CHARECTER VALUES IN R LANGUAGE

ADDITION OF TWO VECTORS IN R LANGUAGE

SUBTRACTION OF TWO VECTORS IN R LANGUAGE

MULTIPLICATION OF TWO VECTORS IN R LANGUAGE

DIVISION OF TWO VECTORS IN R LANGUAGE





Thursday, August 27, 2020

Question theory of automata from Mishra CHAPTER 3

 Question theory of automata from Mishra CHAPTER 3 

1. DEFINITION OF AN AUTOMATON

2. TRANSITION SYSTEMS

3. PROPERTIES OF TRANSITION FUNCTIONS

4. ACCEPTABILITY OF A STRING BY A FINITE

AUTOMATON

5. NONDETERMINISTIC FINITE STATE MACHINES

6. A string W E L* is accepted by NDFA At if o(q(j, w) contains

some final state.

7. THE EQUIVALENCE OF DFA AND NDFA

8. MEALY AND MOORE MODELS

9. PROCEDURE FOR TRANSFORMING A MEALY MACHINE

INTO A MOORE MACHINE.

10. PROCEDURE FOR TRANSFORMING A MOORE MACHINE

INTO A MEALY MACHINE.

11. MINIMIZATION OF FINITE AUTOMATA