This process aids in database normalization, minimizing data redundancy and dependency issues. Ultimately, the candidate key forms the foundation for maintaining a well-organized, interconnected, and reliable relational database structure. How A DBMS Candidate Key Is Different From A Primary Key?
What are keys in DBMS? Ans: Keys in DBMS are nothing but a way to uniquely identify each record of a table. What are super, primary, candidate and foreign keys? Ans: A superkey is a set of attributes of a relation schema upon which all attributes of the schema are functionally ...
A column-oriented database would present data in chunks of columns, likeAndriiTomJackScott, allowing much faster processing and read operations. Row-oriented databases prioritize transactional integrity and data normalization, while columnar databases focus on fast-read operations and data aggregation. Use...
1. A common restriction placed on table and column names by DBMSs is that names can contain only letters, numbers, and what else? 2. Which SQL command do you use to create a table by describing its la If a 1:M relationship is mandatory...
An acronym for the structured query language. This language is used in the management of relational databases. This language is used for altering, informing, and removing the database as per the organization's requirements.Answer and Explanation: ...
Hi, its me again,I dunno if this actually can be done, but here is the challenge:I have many tables holding info for specific vendors, and on each of these...
DBMS Computer Networking Operating Systems Compiler Design System Design C Commonly Asked C Programming Interview Questions | Set 1 What is the difference between declaration and definition of a variable/function Ans:Declaration of a variable/function simply declares that the variable/function exists somew...
Comparison of Inheritance in C++ and JAVA Data Structures OOPs DBMS Computer Networking Operating Systems Compiler Design System Design C Commonly Asked C Programming Interview Questions | Set 1 What is the difference between declaration and definition of a variable/function ...
the program knows the data type of that variable. In case of function declaration, the program knows what are the arguments to that functions, their data types, the order of arguments and the return type of the function. So that’s all about declaration. Coming to the definition, when we...