No business can be successful without a solid business plan. In fact, a business plan could be the thing that makes or breaks your entrepreneurial enterprise, especially if you haven’t started a ...

You can use apostrophes to show that you have omitted (left out) some letters when you are joining words together. For example, you can join the words ‘you’ and ‘are’ together. You + are = you're. The ...

-- WHERE CLAUSE -- Display deptno, total sal and number of employees related to deptno 20 SELECT DEPTNO, SUM(SAL) AS TOTAL_SAL, COUNT(*) AS NO_OF_EMPLOYEES FROM EMP WHERE DEPTNO = 20 GROUP BY DEPTNO; ...