What is the difference between a unique key and primary key?
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Can foreign key be duplicate?
What is the full form of dql?
Does partitioning ssd reduce performance?
which database is best to use in oracle and sql server? explain reasons?
How the authentication mode can be changed?
How to rename an existing column with sql server management studio?
How will you add a dimension to cube? : sql server analysis services, ssas
If we drop a table, does it also drop related objects like constraints, indexes, columns, defaults, views, and stored procedures?
Using the customer, and order table in northwind database, please write a query to produce xml?
How to insert and update data into a table with "insert" and "update" statements?
Describe about first three Normal forms.
Why do we use sql limitations? Which constraints can we use while making a database in sql?