UNIX Introduction to Unix

Calendar1

Display the previous, current and next month calendar of the year 1987 august

Calendar2

Display and see what is the specialty of September 1752.

Calendar 5

Write a command to display the previous, current and next month calendar of the year 2015 December.

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RDBMS Data Definition Language | Alter - Add a column age

Write a query to add a new column named Age of type number(10) to Customer_Info table.

RDBMS Data Definition Language | Create Buses table

efer the below schema and create the buses table. Column Name Datatype Size Constraint Constraint name Bus_no Number 11 Primary key PK_BUSES Bus_name Varchar2 20 Type Varchar2 20 Total_seats Number 11 Avail_seats Number 11 Result Description Summary of tests +------------------------------+ | 3 tests run / 3 test passed | +------------------------------+

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Write a query to change the field type weight varchar(20) in Mobile_specification table to number(10). Result Description Summary of tests +------------------------------+ | 3 tests run / 3 test passed | +------------------------------+

Count Binary Strings

1. You are given a number n. 2. You are required to print the number of binary strings of length n with no consecutive 0's. Note: In this problem, you are given a number n. All we need to print is the number of binary strings of length n with no consecutive 0's For example: Sample Input: 3 Sample Output: 5 How 5? We have a total of eight binary numbers for length 3, out of which we have 5 numbers in which there are no consecutive zeros. Input Format A number n Output Format A number representing the number of binary strings of length n with no consecutive 0's. Constraints 0 < n <= 45 Sample Input 6 Sample Output 21 Solution: import java.io.*; import java.util.*; public class Main{ public static void main(String[] args) throws Exception { // write your code here Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int dp[][] = new int[n+1][2]; dp[1][0] = 1; dp[1][1] ...

RDBMS Data Definition Language Create | Customer_info table

Write a query to create Customer_info table with constraints mentioned. Refer the below schema Result Description Summary of tests +------------------------------+ | 3 tests run / 3 test passed | +------------------------------+

0-1 Pattern

/* @ToDo 0-1 Pattern 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 */ #include <iostream> using namespace std ; int main (){ #ifndef ONLINE_JUDGE freopen ( "../asset/input.txt" , "r" , stdin ); freopen ( "../asset/output.txt" , "w" , stdout ); #endif // Code here!! int n ; cin >> n ; int sign = 1 ; for ( int i = 1 ; i <= n ; i ++){ ...

RDBMS Data Definition Language | Change the name of the table Sales Info

RDBMS Data Definition Language Change the name of the table Sales Info Write an SQL statement to rename the table Sales Info to Sales_Information. (Hint: use alter command to rename the table name) Evaluation Result: Result Description Summary of tests +------------------------------+ | 1 tests run / 1 test passed | +------------------------------+

RDBMS Data Definition Language | Alter - removing a column in Mobile Specification

RDBMS Data Definition Language Alter - removing a column in Mobile Specification Write a query to remove the column weight from the mobile specification table. Evaluation Result: Result Description Summary of tests +------------------------------+ | 3 tests run / 3 test passed | +------------------------------+

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