Top Exceptions in Java On the basis of source which triggers the exception, we divide exceptions into 2 types as: 1) JVM Exceptions: Exceptions which arrise automatically by the JVM whenever a particular event occurs are called JVM exceptions. For example: a) ArrayIndexOutOfBoundsException: It is the child class of RuntimeException and hence it is uncheck. It …
SQL SQL is a domain specific language utilized as a part of programming and intended for overseeing information held in a social database administration framework (RDBMS), or for stream handling in a social information stream administration framework (RDSMS). It is especially helpful in dealing with organized information where there are relations between various substances/factors of …
Whats is Structured data and Unstructured data ? Structured Data: Structured data is thought as of traditional data, mainly consisting of files that include well structured information. Structured data is stored at a place where it could be pulled at any time for analysis purpose. As the name suggests Structured data are easy to maintain …
What are SQL Aggregation functions ? SQL Min and Max functions are also known as SQL aggregation functions. SQL is very good at aggregating data. One should know the aggregation functions in SQL. There are mainly 5 Types of Aggregation Functions in SQL: COUNT: counts the number of rows in a column. SUM :adds all the values …
What is an operator? We will discuss about the BETWEEN operator , and use of it. But , before learning SQL BETWEEN Operator , we ought to know about the basic of operators.An operator, in computer programming, is a symbol that usually represents an action or process. Expression is incomplete without an operator.operator works as a …