In a database management system (DBMS), a serializable schedule is a sequence of database actions (read and write operations) that does not violate the serializability property. This property ensures that each transaction appears to execute atomically and is isolated from other transactions' effects....
The DBMS is not directly exposed to the end user but can be called by an API. Three-tier architecture is where the application layer exists between the database and the client, so a server controls the user requests and DBMS responses based on functional logic and rules. This is the most...
Software:The core of database functionality, software allows you to create, manage and manipulate data. It includes the database management system (DBMS) which manages data access, the operating system and network software for data sharing. ...
Logical Data Model:DefinesHOWthe system should be implemented regardless of the DBMS. This model is typically created by Data Architects and Business Analysts. The purpose is to developed technical map of rules and data structures. Physical Data Model: This Data Model describesHOWthe system will be...
Standard database security contains different security controls, tools, and measures that are designed to protect the Database Management System (DBMS). Our goal is to protect the confidentiality, integrity, and availability of corporate information. ...
Tables satisfying first normal form can also contain functionally dependent fields. Functional dependency exists between two fields when the value in field 1 determines the value in field 2 and there is only one value in field 2. In such a case, field 2 is functionally dependent on field 1....
What is Data Dependency? What is functional dependency and transitive dependency (DBMS)? What are the different ways to implement dependency injection and their advantages in C#? What is multivalued dependency in DBMS? Difference Between Constructor Injection and Setter Injection in Spring What is Cod...
Is sql a programming language or a database? What is a relational database? What is a transition period in schema migration? (a) What is a multivalued dependency in DBMS? (b) Give an example. What key word can you use to call a superclass constructor explicitly in Java? What is the...
Database (DBMS) Risk Management Margaret Rouse Technology Expert Margaret is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical business audience. Over the past twenty years, her IT definitions have been published by Que in ...
Sample Code snippet is given below: DECLARE -- Variable declaration msg varchar(30):= 'Software Test'; BEGIN /* * PL/SQL executable output */ dbms_output.put_line(msg); END; / The output of the above code should be: Programs In PL/SQL ...