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Explain about Semijoin? and How to implement it in SQL? A semi-join is an operation where the EXISTS clause is

How to collect IP address from an HTTP request ? $_SERVER[‘REMOTE_ADDR’]; How to collect IP address of the Web server

Q1. Explain public static void main(String args[]) in Java. main() in Java is the entry point for any Java program.

Q1). What is a servlet? In JAVA atmosphere a Java Servlet is a server-side technology used to extend the capability

1) What is SEO? What are the important types of SEO methods? Search engine optimization or SEO is a process

Q1). In what sequence SQL statement are processed? Ans. The clauses of the select are processed in the following sequence

What is PHP? PHP (Hyper text Pre Processor) is a scripting language commonly used for web applications. PHP can be

1). What do you mean by a JDBC Driver? JDBC Driver in Java refers to a software component that allows

1) Define structured programming and its disadvantage? It is a program design technique. In structured programming languages like C, Pascal,

What are the different storage classes in C? C has three types of storage: automatic, static and allocated. Variable having