What key opens a database?

What is key database file?

A key database is a file that the server uses to store one or more key pairs and certificates. You can use one key database for all your key pairs and certificates, or create multiple databases.

What is database master key?

The database master key is a symmetric key used to protect the private keys of certificates and asymmetric keys that are present in the database. When it is created, the master key is encrypted by using the AES_256 algorithm and a user-supplied password.

What is MasterKey password?

In Billemont's implementation, the master key is a global 64-byte secret key generated from the user's secret master password and salted by their full name. The salt is used to avoid attacks based on rainbow tables.

Where is the database master key?

The database master key is at the root of the encryption hierarchy within a single SQL Server database and can provide protection for asymmetric keys and certificates. The database master key itself is protected by the service master key.

What are keys in a database?

Introduction to Database Keys Keys are very important part of Relational database model. They are used to establish and identify relationships between tables and also to uniquely identify any record or row of data inside a table. A Key can be a single attribute or a group of attributes, where the combination may act as a key.

What is the use of key in DBMS?

KEYS in DBMS is an attribute or set of attributes which helps you to identify a row (tuple) in a relation (table). They allow you to find the relation between two tables. Keys help you uniquely identify a row in a table by a combination of one or more columns in that table.

Is the alternate key the primary key in the database?

The alternate key can be an alternative or a candidate for the primary key when needed but it is not the primary key. An alternate key is a function of all candidate keys except the primary key. In the Employee table, Employee_PhoneNumber will have unique values thus it can be used as an alternate key but it is not a primary key.

What is a primary key in SQL?

The primary key with its unique value for each row is used to access each data field in a table with reference to the respective primary key attribute and column name. Both the candidate keys qualify to be a primary key . And therefore , the database designer can select the primary key from any one of the following two candidate keys.