Answer:
Relational query language is the language that is used in the queries of the relational databases that has rows and columns in table. The user or client presents a request for gaining the information from the database. The relationships in the database are defined in numerous ways which creates the query.
This language can be procedural form or non-procedural form.The operations performed by this language are communication with the relational database, analyzing the relationships between the entities of database,splitting the request from client and then execution of that request is done by database management system(DBMS), etc.
Answer:
Both b and c
Explanation:
Dotted Decimal notation is a presentation of numerical data which is expressed as decimal numbers separated by full stops. Dotted decimal notation expresses each eight bit sections of 32 bit numbers as decimal value. It provides convenient notation which is easy to understand by the people who are IT experts.
Answer:
Boolean Operators
Explanation:
When performing a boolean search, boolean operators allow users to combine keywords with operators (or modifiers) such as AND, NOT and OR to further produce more relevant results.
The boolean operators AND and OR are used to include certain words and phrases during the search while the boolean operator NOT is used to exclude certain words and phrases.
Explanation:
A default constructor is a constructor that present in the class by default with no parameters when we write a new constructor with parameters it is called overloaded constructor.There can be different overloaded constructors in the same class.
The main difference between default constructor and overloaded constructor is that the default constructor does't have any parameters while the overloaded constructors have parameters.
Answer:
A Port Replicators.
Explanation:
Port replicators are devices or extension. They are plugged into the laptop's usb port to provide extra ports to connect other external devices needed by the laptop.
Docking stations does the same thing, but the laptop is plugged into the docking station holding the needed devices, and meant for that laptop brand.
