There are a number of career opportunities associated with the SQL server queries. Many of the multinational companies are seeking for the potential candidates having enough of the knowledge regarding the field. Here we are presenting the perfect set of SQL server interview questions and answers. These questions are beneficial for fresher as well as experienced candidates to get a brief outline regarding the subject.
An average salary package of an SQL server engineer is quite higher which raises the curiosity among the candidates to get such platform. Go through this amazingly formed SQL server interview questions and prepare yourself for the next interview in the most appealing manner. These questions will definitely help you solve fundamentals as well as that of its advanced aspects of the field. Many of the questions are included which are frequently asked during the interviews
A database, in general, is a collection of information in a more organized form for better access. The data can be stored or executed in multiple ways and collectively they are defined as tables, views or database objects. Data warehouse refers to the medium of a repository of the data from the multiple resources. The data from the data warehouse is available to transform or even use in online processing.
There is, of course, a difference between the primary and unique key
The commands which are used in SQL to define the structure of database are called as DDL commands. Its types are:
The commands which are used to manage the data which is present in the entire database are called as DML commands. They are of following types-
There are three types of indexes in SQL
The commands which are used to create the rules to grant the permission are known as useful commands in SQL. These commands also control the access to the database and its objects.
The subset of a table which is basically stored logically in a database is called as a view. A view is a virtual table which is containing the rows and columns. The fields located in views are similar to tables and they do not contain the date of their own. Its advantages are:
A query is basically a request for the database or the information associated with it in the combination of tables. A query associated with the database can either be a select or an action query.
A SQL query with the other significant query is called a subquery. We can also say it as a subset of all selected states where the values are used for the filtering the results of the main query.
|Implemented languages||C++||C & C++|
|Supported programming language||c Sharp, PHP, python, Java||C++, C sharp,Java, Perl|
|Server side scripting||support transa scripting||yes|
|Currency||it supports||yes It supports|
|Transaction concepts||it supports AC||It supports ACID|
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