abrarShariar

const decryptFile = (filePath, sKey) => {
  fs.readFile(filePath, 'utf8', (err, data) => {
    if (err) throw err;

    let hash = computeSHA256(sKey);
    let buffer = Buffer.from(hash.toString(CryptoJS.enc.Hex), 'hex');
    let key = new Uint8Array(buffer);

    buffer = Buffer.from(data.toString(CryptoJS.enc.Hex), 'hex');
    let encryptedData = new Uint8Array(buffer);

abrarShariar

// 1
DECLARE
 eno emp.empno%TYPE;
 ename emp.ename%TYPE;
 salary emp.salary%TYPE;
 CURSOR c_emp is 
      SELECT empno,ename,salary FROM emp where rownum < 6 order by salary desc;
BEGIN
 OPEN c_emp;
 LOOP 

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DO $$
DECLARE
	rec RECORD;
BEGIN
	FOR rec IN SELECT * FROM transaction_status WHERE transaction_id = 31
	LOOP
		RAISE NOTICE '%', rec.status_msg;
	END LOOP;
END;
$$ LANGUAGE plpgsql;

abrarShariar

create table sales (
 id number(5) primary key,
 customer_id number(10),
 product_id number(5),
 quantity number(5)
)

drop table sales;
drop table products;

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user_type
	id int primary key
	type varchar


doctors
	id int primary key
	name varchar
	designation varchar

abrarShariar

#include<iostream>
#include<thread>
#include<fstream>
using namespace std;

/*input
4 //number of matrix
2 2 //dimension
1 2
4 5

abrarShariar

#include<iostream>
#include<fstream>
#include<deque>
#include <algorithm>

using namespace std;

//input
/*
6 2 //totalProcess timeQuantum

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#include<iostream>
#include <GL/gl.h>
#include <GL/glut.h>
using namespace std;

int R;
int h, k;
int startX, startY;

void drawAxes(){

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describe emp;
describe dept;

select emp.empno from emp;


-- 1
DECLARE
 e_no emp.empno % TYPE := :input_no;
 ename emp.ename % TYPE;

abrarShariar

#include<iostream>
#include <GL/gl.h>
#include <GL/glut.h>

using namespace std;

double x1 = 0;
double y1 = 0;
double x2 = 0;
double y2 = 0;