mysqlimport can be run with a number of options. Followings are some options for mysqlimport and their effect on import.OptionAction-r or –replaceCause imported rows to overwrite existing rows if they have the same unique key value.-i or –ignoreIgnore rows that have the same unique key value as existing rows.-f or ... Read More

Constructors are similar to methods but, They do not have any return type.The name of the constructor is same as the name of the class.Every class has a constructor. If we do not explicitly write a constructor for a class, the Java compiler builds a default constructor for that class.Each ... Read More

You can create an array by using the new operator with the following syntax −SyntaxarrayRefVar = new dataType[arraySize];The above statement does two things −It creates an array using new dataType[arraySize].It assigns the reference to the newly created array to the variable arrayRefVar.Declaring an array variable, creating an array, and assigning ... Read More

Yes, break statement can be used in nested for loops. It works on the for loop in which it is applied. See the example below.Examplepublic class Tester {    public static void main(String[] args) {       for(int i = 0; i< 2; i++) {         ... Read More

You can create a JAR file using the following command.jar cf jar-file input-file(s)  You can also create JAR files using IDE’s. To create a JAR file using eclipse follow the procedure given below.Open the Jar File wizardThe Jar File wizard can be used to export the content of a project ... Read More

Java Standard Edition provides 14 packages namely –applet − This package provides classes and methods to create and communicate with the applets.awt− This package provides classes and methods to create user interfaces.beans− This package contains classes and methods to develop components based on java beans. io− This package contains classes and ... Read More

In SAP HANA database, you have diagnosis files include log and trace files, a mixture of other diagnosis, error, and information files.These files can be checked for diagnosis to find errors in SAP Hana database.In HANA db, you have trace files stored separated per host, so to get access to ... Read More

Try to use SqlFunctions.DateDiff method overload which requires 3 inputs as follows −var res = from a in db.Set() where SqlFunctions.DateDiff("dd", a.Date, "20161922") >= 0 && SqlFunctions.DateDiff("dd", a.Date, "20161122") < 0 select a

An interface is a reference type in Java. It is similar to a class. It is a collection of abstract methods. A class implements an interface, thereby inheriting the abstract methods of the interface.Along with abstract methods, an interface may also contain constants, default methods, static methods, and nested types. ... Read More