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.

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 stands for Structured Query Language. SQL is used to communicate with a database. According to ANSI (American National Standards Institute), it is the standard language for relational database management systems.

You can run the following, which will generate a set of ALTER SCHEMA statements for Table and procedure:

SQL Server WHERE Clause is used to filter or extract records that fulfill a specified condition from SQL Table.

While Sai Teja Varanasi, a student of Narayana Group of Institutions, was declared as state topper, Yeshwanth Sai and Venkata Krishna secured second and third rank respectively.

MUMBAI: Mumbai University was forced to postpone TYBA and TYB Com exams scheduled on Tuesday for almost 8,000 distance education students after they reported technical glitches. Most students from the university's Institute of Distance and Open Learning (IDOL) could not access the question papers on the link provided to them. A fresh date will be announced soon.

The undergraduate admissions at Delhi University will begin with the release of the first cutoff list on October 12. In a notification on the admission dates for merit- and entrance-based admissions, DU has also announced that the next academic session will begin on November 18.

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.