Hero Insurance Broking India Marketing Manager Interview Questions and Answers for Experienced

SQL injection is a type of cyber attack where malicious SQL statements are inserted into an entry field to manipulate a database.

• SQL injection attacks exploit vulnerabilities in web applications that do not properly validate user input.

• Attackers can use SQL injection to steal sensitive data, modify or delete data, or even take control of the entire database.

• Preventing SQL injection involves using parameterized queries,...read more

SQL Injections are a type of cyber attack where malicious SQL statements are inserted into an entry field to manipulate the database.

• SQL Injections occur when an attacker inserts malicious SQL statements into an entry field

• This can manipulate the database and give the attacker access to sensitive information

• Prevention methods include using parameterized queries and input validation

Topological sorting of a tree is a linear ordering of its nodes such that for every directed edge (u, v), node u comes before node v.

• Topological sorting is used in scheduling jobs with dependencies.

• It can be implemented using Depth First Search (DFS) algorithm.

• Kahn's algorithm is another popular algorithm for topological sorting.

• Topological sorting is not possible if the graph contains a cycle.