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What is the similarity between an identifier and a variable?
Answer:- identifier is the name like a, b, c, .... which is used to reference a memory location in a program. +-variable is the actual memory location which can hold values.so 'a' is an identifier to a variable which is memory location located somewhere in memory.Answer:A Variable in Java is something that holds a particular value in a class. For example:public class A { private String name = ""; ......} In the above declaration name is a variable. It would hold the data of type String.An Identifier is nothing but the name that we give for our variables, classes, methods etc. It is nothing but the name with which we identify an entity in Java. For example here A is the identifier for the class, name is the identifier for the variable etc.
What is used to specify which bits of an ipv4 address are used for the network identifier and which bits are used for the host identifier?
Subnet Mask
What is meant by identifier?
An identifier is the friendly name used by the compiler to represent the location of an object in memory. You could say *0x1234 = *0x3464 + *0x9587, or you could say A = B + C, given that A, B, and C, had those addresses. A, B, and C are identifiers in this example.
What is a special identifier used for replication?
replication ID
How is the primary key used?
It is used as the unique identifier for each record and is used to sort the data
What does an identifier do in Excel?
When used as a database, an identifier in Excel identifies a record, so it acts like a primary key field. You can then find records easier.
What are the most common user identifier used for authentication on windows7?
4
What is the most common identifier used to index and link database?
The most common identifier used to index and link databases is the primary key. It uniquely identifies each record in a table and is used to establish relationships between different tables in a database.
Why keyword cannot be used as an identifier in c language?
It's by design; this way the lexical parser is able to decide that any given string is a keyword or an identifier.
What is IATA code?
An IATA airport code, also known as an IATA location identifier, IATA station code or simply a location identifier, is a three-letter code designating many airports around the world, defined by the International Air Transport Association (IATA)
What is a unique item identifier?
a unique item identifier means what?
What is a species identifier?
A species name is a scientific name with two parts: the genus name followed by the species identifier. It is written in italics with the genus name capitalized. (The human species name is Homo sapiens. The species identifier is the second part of the species name (and it's lower-case)
