which is added to all new records. In the following table, for instance, if we assign the E salary column a default constraint and set the null value to 85000, then all entries in this column will have that valu
SQL Interview Questions for Freshers 1. What is the difference between DBMS and RDBMS? The main difference between the DBMS(Database Management Systems) and RDBMS (Relational Database Management System) lies in how they handle the data. Feature DBMS RDBMS Data Storage Stores data as files or ...
SQL Interview Questions for Freshers 1. What is the difference between DBMS and RDBMS? The main difference between the DBMS(Database Management Systems) and RDBMS (Relational Database Management System) lies in how they handle the data. Feature DBMS RDBMS Data Storage Stores data as files or ...
This site caters to the requirements of students who aspire to prepare and develop Reasoning, Non-Verbal & Verbal, skills for various competitive examinations. Varius interview questions available.
For easy understanding, we have divided the questions into two categories that is, For Freshers For Experienced FAQ's Top 10 Spark SQL Questions What does "Shuffling in Spark" mean to you? Why does Spark use YARN? What do you know about Spark's DStreams?