Explain IF-Else Statement in C Language ?
If statement in C is known as a decision-making statement. It makes a decision based on the condition given. It is followed...
What is recursion in C ?
Recursion is a process that happens when a function calls a copy of itself to work on any smaller problem. Any function that...
What is Switch Statement in C with example ?
Switch statement is an alternative to if else ladder statement which allows us to execute multiple operations for different...
What is Static Variable in C ?
Static variable have a property of preserving their value even after they are out of their scope. Static variable preserve...
What is Pointer in C ?
For storing the address of another variable pointers can be used. Variables of type int,char, array, function or any other...
What is the difference between the local variable and global variable in C ?
Global Variable Local Variable Can be used anywhere globally inside the program Variables that are declared within or inside...
What is function ? Why to use function ?
We can divide a large program into basic building blocks called functions. Functions contains a set of programming...
What are the Most Important Features of C Language ?
C Language is simple. C language is fast and efficient. C language has good memory managment. C Programming is case...
What is C Programming language ?
Dennis Ritchie developed the C language. It created the C language as a system application that communicates with hardware...
What is Array in C ?
Arrays are defined as collection of similar type of data items that is stored at consecutive blocks of memory locations....
Can you use UNIQUE KEY as a replacement for Primary Key ?
Both Keys are different. For Identifying each and every record in a table we use primary key. To apply additional uniqueness...
What are all the different attributes of indexes ?
The indexing has various attributes: Access Types: Value based search , range acess can be refered using Access types....
What are the different types of SQL commands ?
DDL (Data Definition Language) DML (Data Manipulation Language) DCL (Data Control Language) TCL (Transaction Control...
Difference between SQL and PLSQL
SQL PL/SQL SQL is structural query language for database. It has no variables. Pl/SQL is a programming language using SQL...
Char vs Varchar in SQL
Char VarChar Char data type is used for storing single character values It is a SQL Code that helps in storing variable...
What is Default constraint in SQL ?
Constraints are a certain set of rules used for processing data and limiting the type of data that can go into the table....
What are the different types of relationships in SQL ?
Data base collects different types of data that uses tables, record, and columns. For easy storage of data, a well-defined...
Types of indexes in SQL
There are various types of indexes in SQL server: Clustered Index Non-Clustered Index Column Store Index Filtered Index Hash...
What is the difference between BETWEEN and IN operators in SQL ?
BETWEEN IN This condition allows you to check if given values are in the specified range. In operator is used for matching...
What is a join in SQL ? What are the types of joins ?
Data is stored in multiple tables that are related to each other in relational data bases like SQL Server, MySQL etc with a...