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:
The cell address of 4th row and 4th column is
4D/D4
No it will actually help it
Answer: When companies charge different
prices for the same product, they're using
B.) Dynamic Pricing
Is the most accurate
Explanation: If a firm can find a way to charge every customer the price he/she values a good at, the firm can capture more profits than it could with a single price, in a given market.