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.
Explanation:
Its the exact definition of an undecidable problem. Plus I have my notebook open next to me and that's what it says, trust bro.
Answer:
The purpose of the domain name is for credibility and location purposes.
Explanation:
For example.
nz.gov means that the domain owner is the government on New Zealend
An application where you would prefer a parallel circuit over series would be a string of Christmas lights. If the light string is wired in parallel, when one bulb burns out, it would not effect the red of the string.
