×
FREE ASSISTANCE FOR THE INQUISITIVE PEOPLE
softetechnologies
SQL
567    Arnab De    21/11/2021
A set or collection of one or more attributes or fields (column), which uniquely identify a row or tuple in a relation or table is known as super key.
21
November, 2021
594    Arnab De    21/11/2021
All the minimal super key with no redundant attributes is known as candidate key. candidate keys are the subset of super keys.
21
November, 2021
668    Arnab De    21/11/2021
In a relation or table can have more than one choice of primary key, but only one of them set as a primary key. All the others keys which are able to declar ...
21
November, 2021
819    Arnab De    21/11/2021
A non-key attribute, whose values are derived from the primary key of another table, is known as foreign key.
21
November, 2021
434    Arnab De    21/11/2021
Sometimes more than one attribute needs to create a key that uniquely represents a tuple. That keys are known as a composite key or compound key.
21
November, 2021
softetechnologies
1073    Arnab De    04/04/2018
We can create tables to store data using CREATE TABLE Statement in any RDBMS. This Statement is differ in different RDBMS.
04
April, 2018
1261    Arnab De    28/03/2018
The full form of SQL is Structured Query Language. It is a language which handles the database, Specially RDBMS (Relational Database Management System)
28
March, 2018
softetechnologies
Albert Einstein
Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whol
Albert Einstein
2148
40.89
Today So Far
Total View (Lakh)
softetechnologies
01/01/2018     34530
26/05/2018     32709
28/06/2017     31333
02/08/2017     29637
25/06/2018     27459
15/05/2017     24905
01/08/2017     24105
06/07/2017     23630
21/04/2018     19451
14/07/2017     19139
softetechnologies