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Sergio [31]
4 years ago
12

Explain the following terms: a) Atomicity b) DML

Computers and Technology
1 answer:
GenaCL600 [577]4 years ago
6 0

Answer:

a) Atomicity:- It is among the one of the ACID properties of transactions.It states that an atomic transaction is irreducible and indivisible series of data operations such that either nothing occurs or all occurs.

b) DML(Data Manipulation Language):- It is a computer programming language that is used for inserting,deleting,manipulating data in the database.For example -SQL.

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Write a program whose input is a character and a string, and whose output indicates the number of times the character appears in
Delvig [45]

Answer:

// program in java.

import java.util.*;

// class definition

class Main

{

   // main method of the class

public static void main (String[] args) throws java.lang.Exception

{

   try{

    // object to read input  

Scanner scr=new Scanner(System.in);

 System.out.print("Enter the String:");

  // read string from user

   String str=scr.nextLine();

System.out.print("Enter the character:");

 // read character

char ch=scr.next().charAt(0);

  // variable to count the occurrence of character  

   int char_count=0;

   for(int i=0;i<str.length();i++)

   {

   // find the character i string

       if(ch==str.charAt(i))

       // increase the count

       char_count++;

   }

   // print the count

   System.out.println("count of "+ch+" in the String is:"+char_count);

   }catch(Exception ex){

       return;}

}

}

Explanation:

Read a string from user and assign it to variable "str".Then read a character to  and assign it to variable "ch".Then Declare a variable "char_count" to count the  occurrence of character in the string.Find the count of character in the string. Here upper case character is different than lower case.  

Output:

Enter the String:Monday                                                                                                    

Enter the character:n                                                                                                      

count of n in the String is:1

Enter the String:Nobody                                                                                                    

Enter the character:n                                                                                                      

count of n in the String is:0                                                                                              

                             

5 0
3 years ago
Your company collects and stores security camera footage. Within the first 30 days, footage is processed regularly for threat de
Sliva [168]

Answer:

<em>For the very first 30 days, use Google Cloud Regional Storage, then switch to Coldline Storage.</em>

Explanation:

Coldline Storage is a cost-effective, extremely durable information archiving, online backup, and disaster recovery web host.

Your information is available in seconds, not hours or days, unlike many other "cold" storage providers.

5 0
4 years ago
For an alternative to the String class, and so that you can change a String's contents, you can use_________ .
mr_godi [17]

Answer:

c. StringBuilder

Explanation:

An alternative to the String class would be the StringBuilder Class. This class uses Strings as objects and allows you to mix and match different strings as well as adding, removing, implementing,  and modifying strings themselves as though they were similar to an array. Unlike the string class StringBuilder allows you to modify and work with a combination of strings in the same piece of data as opposed to having various objects and copying pieces which would take up more memory.

7 0
4 years ago
Lenders always accept applications for credit
LenKa [72]
The correct answer to the question that is being stated above is FALSE.

The statement is false because lenders do not always accept applications for credit. Lenders always consider credit history of the applicant. If the applicant has a good credit history background, then he qualifies.
3 0
4 years ago
Paragraph talking about why i chose bill gates
AlekseyPX

Answer:

Bill Gates

Explanation:

Bill Gates is known as one of the richest entrepreneurs in the world. He is responsible for creating the largest computer and technology business in the world, Microsoft. In the company's early days, no one would have thought that it would change both America and the world from that point on.

When Gates first created Microsoft,

Middle class Americans could now purchase a personal computer that would not put a set back in their bank account.As soon as personal computers started hitting the mainstream market, the demand for improvement began. People wanted their machines to boot up faster, have larger memory, have improved programming, and be easier to use. Luckily Gates already knew the people would have these needs, so development was already underway.

7 0
4 years ago
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