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11.What is Query in hibernate? Query objects use SQL or Hibernate Query Language (HQL) string to retrieve data from the database and create objects. A Query instance is used to bind query parameters, limit the number of results returned by…
Read More1.What is JDBC? JDBC stands for Java Database Connectivity and provides a set of Java API for accessing the relational databases from Java program. These Java APIs enables Java programs to execute SQL statements and interact with any SQL compliant…
Read More1.What is C#? C# is a modern, general-purpose, object-oriented programming language developed by Microsoft. C# is designed for Common Language Infrastructure (CLI), which consists of the executable code and runtime environment that allows use of various high-level languages on different…
Read More1.Marketing is best defined as: – a)Matching a Product with it market b)Distributing product at low price c)Building Profitable Relationship with customer d)Promoting & selling Products e)All (188)
Read More1.What is the difference between JOIN and UNION? SQL JOIN allows us to “lookup” records on other table based on the given conditions between two tables. For example, if we have the department ID of each employee, then we can…
Read More1. Difference between varchar and varchar2 data types? Varchar can store upto 2000 bytes and varchar2 can store upto 4000 bytes. Varchar will occupy space for NULL values and Varchar2 will not occupy any space. Both are differed with respect…
Read More1. What’s the Software Testing? A set of activities conducted with the intent of finding errors in software. 2.What is Acceptance Testing? Testing conducted to enable a user/customer to determine whether to accept a software product. Normally performed to validate…
Read More1) Explain the main purpose of an operating system? Operating systems exist for two main purposes. One is that it is designed to make sure a computer system performs well by managing its computational activities. Another is that it provides…
Read More1. (935421 x 625) = ? A. 542622125 B. 584632125 C. 544638125 D. 584638125 Answer : Option D Explanation : 935421×625=935421×54=935421×(102)4=935421×1000016=584638125 2. (64 – 12)2 + 4 x 64 x 12 = ? A. 5246 B. 4406 C. 5126…
Read More1.which two method you need to implement for key object in HashMap? In order use any object as key in HashMap,it must implements equals and hashcode method in java.Read how HashMap works in java…
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