To comprehend the difference between the two types of joins i.e. inner join and Outer join in SQL, let’s first revise the basic knowledge about the join in SQL, the inner join and the outer join. What is a join in SQL? A join in SQL may be defined as a way which is used […]
Archives for 2015
SQL: Clustered vs non clustered Index
An index in SQL may be defined as a structure linked with a particular table and is stored on the disk, mainly created to enhance the speed of the retrieval of data. The key for an index in SQL is created from one or more than one column present in a particular table or even […]
SQL questions: What is an index?
An Index in SQL may be defined as the secondary database object which is connected to a specific table to enhance the process of retrieval of the associated rows from that particular table. It can be defined for a specific single column or for multiple columns. We can also view an index of SQL as […]
SQL - Difference between Primary and Foreign Key
To understand the difference between PRIMARY KEY and FOREIGN KEY in SQL, you first need to understand the definition of a PRIMARY KEY as well as a FOREIGN KEY. SO, Read: More Interview Questions PRIMARY KEY: It can be defined as a unique column or a group of few columns which are chosen to identify […]
English synonyms verbal reasoning test questions & Answers!
Synonyms is also one of the topic which the companies include in their verbal reasoning test which is done through the interview process. These are the examples of synonyms exercises which you would be facing in most of the common interviews. Learn: English fluency In the following sentence, choose the word which best expresses the […]
Antonyms aptitude practice questions & answers
The verbal test is mostly used to test your knowledge of the English Language and also your verbal ability. By using verbal synonyms and antonyms, some employers use similar tests as part of their selection procedures in interview. This Antonyms aptitude practice questions & answers would give you some more idea of verbal reasoning and […]
Verbal reasoning ‘series completion’ questions and answers!
Series completion tricks are one of section in any aptitude test questions or verbal reasoning tests. This trick is used to identify the applicant’s ability in logical thinking. Series completion questions which could be easily learned using some of the verbal reasoning practice tests which are commonly available in web. Let us see some of […]