A piano keyboard
A qwerty keyboard
A Dvorak Simplified Keyboard
These are 3 types of keyboard
While you’re using the DELETE or UPDATE to change the data in any database like MySQL or ORACLE, the WHERE clause can be used to avoid inadvertently changing data everywhere.
<u>Explanation:</u>
The WHERE clause checks the condition and the changes mentioned by the DELETE or UPDATE command will be done if the condition is true. There are also other clauses like HAVING, IN which will have range either inclusive or exclusive.
It is also noted that in MySQL, there is a method called WorkBench which enables safe mode and doesn’t execute statements without the WHERE clause.
Answer:
D. Fill handle
Explanation:
Required
Which can be used to copy from cell to cell
(a); Means the current cell being selected in the spreadsheet program
(b): Used to fit all columns in the spreadsheet program. Usually, the columns are fitted based on their width.
(c): The vertical and horizontal lines that separate cells.
(d): This is used to copy from one cell to another, especially adjacent cells.
