Explain different types of Normalization.
• 1NF (First Normal Form) – Eliminates duplicate columns, ensures atomicity.
• 2NF (Second Normal Form) – Removes partial dependencies.
• 3NF (Third Normal Form) – Removes transitive dependencies.
• BCNF (Boyce-Codd Normal Form) – Ensures every determinant is a candidate key.
| Is This Answer Correct ? | 0 Yes | 0 No |
What are logical database components? : SQL Server Architecture
What is the Disadvantage of indexed sequential file.
What is a filestream?
What are the different types of locks in the database?
What are the purposes and advantages stored procedure?
What is transcation?Plz give One example?
How to get a list of columns in a view using the "sp_columns" stored procedure?
Explain “not null constraint” in sql server?
select the 3rd maximum salary from sql server database if 4 (just an example In practically I may not know the exact situation) of the highest salaries are equal.
How to create a Master database in SQL server ?
Is a null value equal to anything? Can a space in a column be considered a null value? Why or why not?
if 3 duplicate records in a table,i want to delete 2 duplicate records by keeping 1 duplicate and 1 original as it is,how?
Oracle (3259)
SQL Server (4518)
MS Access (429)
MySQL (1402)
Postgre (483)
Sybase (267)
DB Architecture (141)
DB Administration (291)
DB Development (113)
SQL PLSQL (3330)
MongoDB (502)
IBM Informix (50)
Neo4j (82)
InfluxDB (0)
Apache CouchDB (44)
Firebird (5)
Database Management (1411)
Databases AllOther (288)