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telo118 [61]
3 years ago
14

What's a reasonable data type that could be included in nearly any item in a logical data model for a software application?

Computers and Technology
1 answer:
djyliett [7]3 years ago
5 0

Answer:

D. Last_modified

Explanation:

Software development life cycle (SDLC) can be defined as a strategic process or methodology that defines the key steps or stages for creating and implementing high quality software applications.

Some of the models used in the software development life cycle (SDLC) are;

I. Waterfall model.

II. Incremental model.

III. Spiral model.

IV. Agile model.

V. Big bang model.

VI. V-shaped model.

A database schema is a structure which is typically used to represent the logical design of the database and as such represents how data are stored or organized and the relationships existing in a database management system. There are two (2) main categories of a database schema; physical database schema and logical database schema.

Last_modified can be defined as a data type which comprises of the date and time that a resource such as a software application or file was edited or changed.

Hence, Last_modified is a reasonable data type that could be included in nearly any item in a logical data model for a software application.

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There are two String variables, s1 and s2, that have already been declared and initialized. Write some code that exchanges their
Ivan

Answer:

//here is code in java.

import java.util.*;

class Solution

{

// main method of class

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

{

   try{

    // declare an initialize first string variables

     String st1="hello";

     // declare an initialize first string variables

     String st2="world";

     // create another string variable

    String st3;

    // exchange the value of both string variables

    st3=st1;

    st1=st2;

    st2=st3;

    System.out.println("value of first String after exchange: "+st1);

    System.out.println("value of second String after exchange: "+st2);

   }catch(Exception ex){

       return;}

}

}

Explanation:

declare and initialize two string variables.Create another string variable "st3". first assign value of "st1" to "st3" after then value of "st2" to "st1" and then  assign value of "st3" to "st2". This will exchange the values of both the string.

Output:

value of first String after exchange: world

value of second String after exchange: hello

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The AND operator is a disjunction and the OR operator is a conjunction.
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Answer:

True but it might be false but i think is true

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The second letter of the Koeppen letter code gives information about:
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Answer:

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Windows OS and Mac OS are examples of which type of operating system?
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Windows OS and Mac OS are examples of single user, multi tasking Operating Systems.
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