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What is an index? An index is a structure that helps to place desired records of a relation quickly, without probing all records.
We face problem of stock Opening balance and closing balance in Minus
Related fields in a database are grouped in which form? Related data fields in a database are grouped to form a data record. (A record is a collection of related fields)
Why do you go for sorting your query results? SQL SELECT command to fetch data from MySQL table. Whenever you select rows, the MySQL server is free to return them in any order
Describe substring comparison in SQL. For the relation Person (name, address), write a SQL query that retrieves the names of people whose name starts along with ‘A' and address co
What type of view of total database content? Data base content Conceptual view of total database contain.
How to reduce data redundency
Question: (a) One of the steps in the five-step problem-solving model is implementation. Implementation is considered a key step in the problem-solving model. A problem may be
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
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