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.
The correct answer is MAC (Media Access Control).
<h3>What is MAC?</h3>
The Media Access Control (MAC) protocol is a data link layer protocol that defines the process by which local area network (LAN) devices interface with upper network layer protocols, such as the Internet Protocol (IP).
The MAC protocol is responsible for controlling access to the shared communication medium of the LAN and for providing a reliable link between devices on the LAN. It does this by defining a set of rules and procedures for how devices on the LAN can detect and avoid collisions when transmitting data, as well as for how they can recover from errors that may occur during transmission.
The MAC protocol is typically implemented in hardware, such as in the network interface controller (NIC) of a computer, and is an essential part of the LAN communication process.
To Know More About MAC, Check Out
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Answer:
Eddy current inspection
Explanation:
According to my research on nondestructive testing methods, I can say that based on the information provided within the question the method being described is called Eddy current inspection. This is a method that uses electromagnetic induction to detect and characterize surface and sub-surface flaws in conductive materials
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
Answer:
The tools in this part of the Drawing toolbar are:
Select: selects objects. To select multiple objects click on the top leftmost object and while keeping the mouse button pressed, drag the mouse to the bottom rightmost object of the intended selection. A marching ants rectangle identifying the selection area is displayed. It is also possible to select several objects by pressing the Control button while selecting the individual objects.
Line: draws a straight line.
Arrow: draws a straight line ending with an arrowhead. The arrowhead will be placed where you release the mouse button.
Rectangle: draws a rectangle. Press the Shift button to draw a square.
Ellipse: draws an ellipse. Press the Shift button to draw a circle.
Text: creates a text box with text aligned horizontally.
Vertical text: creates a text box with text aligned vertically. This tool is available only when Asian language support has been enabled in Tools > Options > Language Settings > Languages.
Curve: draws a curve. Click the black triangle for more options, shown below. Note that the title of the submenu when undocked is Lines.
