Table is a SQL Server object that is used to store related data or information. In table data is logically organized in rows and column format.

Primary key is used to uniquely identify the records in a SQL Table. Here we can say, primary key is a value of a column that value is unique in the table. Primary key don't accept any null value. Primary Key is also play an important role to create relationship between two tables.

Unique Key is used to uniquely identify the row in SQL Table. In Unique Key column only one value can be NULL. We can create more than one Unique Key.

DML stands for Data Manipulation Language. DML statements are used to manipulate data. The SQL statements that are in the DML category are INSERT, UPDATE and DELETE.

SQL Keys are important in relational database. A key can be defined as a single or combination of multiple columns in a table. SQL Keys are also used to create relationship between multiple tables. So, in this post we will discuss about the concept and types of keys used in SQL Server.

ALIGARH: Aligarh Muslim University students have demanded a reinvestigation into the December 15 campus violence during an anti-CAA protest and a review of the cases filed against some of them in a week after that, saying they were booked on "flippant grounds".

Tamil Nadu are permitted to come to their schools on a voluntary basis by following the Standard Operating Procedure to prevent spread of coronavirus, the state government said on Thursday.

KOCHI: Providing financial aid to unaided schools to ensure access to education is the obligation of the state government, CBSE has informed the Kerala High Court.

KOCHI: The Kerala High Court on Thursday issued a stay on child rights commission’s order to limit duration of online classes for school students to two hours and not to conduct online exams similar to term exams.

Tamil Nadu chief minister Edappadi K Palaniswami wrote a letter to Prime Minister Narendra Modi seeking his intervention to reconstitute the committee by inducting a scholar from the state in the 16-member committee to study the culture of the nation; BJP leaders in the state were assertive of a positive outcome from the Prime Minister.