True whenever you look at one it helps identify the cause/effect of an event
Answer:
b. data entry slows as every INSERT , UPDATE, or DELETE statement must also update every index.
Explanation:
This process help to improve the speed of get data , it takes each element in the indexed column and save the location to get faster the data. But if you index every attribute in a table it going to take a lot of time locating each column in the respective index in each query(update, delete and insert). For that reason is necesary be carefull with this process and only put index in the relevant columns
Answer:
The answer is "Option 1"
Explanation:
In oops(object-oriented programming language) an object is an example of a specific class or subclass with methods or processes of the class itself and variables for data. When we create an object of the class the default constructor is automatically executed. and other options are not correct that an be described as follows:
- In option 2, Type is used in data type. It is an attribute, that tells the user or programmer what kind of data value they store. for example string, numeric, and floating-point value.
- In option 3, Parameter is used in the method for passing a value in function and calculate some values.
- In option 4, A method is also known as a procedure, that associate with a message and an object.
You click into answer at the top next to "ask" where you clicked into to ask this q
