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Database management systems are used to store and to access information.
In <span>the Relational Database Management System </span>(RDBMS), all the data is in the form of simple columns and rows in a table. Structured Query Language (SQL) is is the standard query language for RDBMS. Some of the disadvantages of RDBMS are: not enough storage area to handle data such as images, digital and audio/video, do not provide good support for nested structures,not much efficient and effective integrated support.
<span>The
term object oriented database management systems (OODBMS) refers to a wide variety of different database technologies
that were developed in order to overcome some of the limitations of
relational databases.</span>
Boolean operators, it uses the word "and","or" and "not" with keywords to control the search. For example if you search for health and food, the search engine will give a narrow search focusing on the two keywords. Using "or" with keywords will give much broader results. Using a "not" will remove one keyword from the search, ex. windy not rainy will give results of the keyword windy only. An asterisk on the other hand, gives wider results with variations.
Answer:
The solution code is written in Python:
- def full_name(lastName, firstName):
- return lastName + ", " + firstName
Explanation:
Firstly, create a function and name it as<em> full_name</em> that takes two parameters, <em>lastName</em> and <em>firstName </em>(Line 1).
In the function body, we can simply use plus operator, "+", to join the <em>lastName</em> string, comma and <em>firstName</em> string into a concatenated string. Please note a single space is made right after the comma (Line 2).
At last, return the concatenated string as function output.
Answer:
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