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Keywords are of the following types: Compile time Keywords (const) Runtime Keywords (Readonly) What is Readonly? Read-only keyword is a designation for any object or construct which can no longer be altered after creation, it can only be read. This can refer to both hardware and software constructs such as read-only memory chips like BIOS and CMOS … Read more
What is a Key in DBMS? Key in DBMS is an attribute or set of attributes which helps you to identify a row(tuple) in a relation(table). They allow you to find the relation between two tables. Keys help you uniquely identify a row in a table by a combination of one or more columns in that … Read more
Electromagnetic radiation is transmitted in waves or particles at different wavelengths and frequencies. This broad range of wavelengths is known as the electromagnetic spectrum EM spectrum). The spectrum is generally divided into seven regions in order of decreasing wavelength and increasing energy and frequency. The common designations are radio waves, microwaves, infrared (IR), visible light, ultraviolet (UV), … Read more
Statement This JDBC API interface is used for static SQL statements at run time. There is no specific protocol in statement interface. The statement interface does not allow accepting parameters at runtime. This interface is used when the SQL query is required to be executed only once. The performance of the statement interface is comparatively … Read more
What Is CHAR? What is VARCHAR? Difference Between CHAR And VARCHAR In Tabular Form CHAR STRING DATA TYPE VARCHAR STRING DATA TYPE Char are fixed length strings with a set length specified. Varchar are variable length strings with a maximum length specified. CHAR datatype is used to store character string of fixed length. … Read more
In the military history and firearm development, both MAC-10 and MAC-11 have actually etched their place. Born from the innovative mind of Gordon B. Ingram, these compact submachine guns have most similar features with a few nuanced differences that set them apart. What is MAC 10? The “Military Armament Corporation Model 10″ or MAC 10 … Read more
What Is Asphalt? Asphalt is a sticky, black, highly viscous liquid or semi-solid form of petroleum. It can also be described as a mixture of aggregates, binder and filler, used for constructing and maintaining roads, parking areas, railway tracks, ports, airport runways, bicycle lanes, sidewalks and also play- and sport areas. Aggregates used for asphalt mixtures could be … Read more
In computer graphics, we need to represent continuous graphics objects using discrete pixels. This process is known as scan conversion. Every graphics system must transform the primitives like lines, circles, and ellipses into a collection of pixels. Line drawing algorithms are used to draw a line in discrete graphical media. There are three line drawing … Read more
Smart TV also referred to as Internet TV is a broader term used to describe any TV that can provide additional programs through internet connectivity. Manufacturers use different platforms/operating systems to run their TVs. Android TV is one of the Smart TV platform/operating system that is popularly used by manufactures nowadays. Android TV operating system … Read more
What Is JSON(JavaScript Object Notation)? JSON is an open standard file format and data interchange format, that uses human-readable text to store and transit data objects. It is used primarily to transmit data between a server and web application, as an alternative to XML. JSON defines seven value types: string, number, object, array, true, false … Read more