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Describe the statement in SQL which allows to change the definition of a table?
In SQL Alter statement is used to allow the changes the definition of a table.
What is the use of RAID? A variety of disk-organization methods, collectively called redundant arrays of independent disks are used to better the performance and reliability.
Define Network DBMS The NDBMS is built primarily on a one-to-many relationship, but where a parent-child representation between the data items cannot be ensured. This may occur
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
What is persistency? Persistency ensures which data is stored and that after the object is no longer available (program stops running) the data will be available to other users
sy bcs project of hospital managment system
Having clause This clause is used for producing conditions on grouped information. Example: Find maximum salary and department number of those departments where maxim
The cross-section of twisted pair The cross-section of each and every strand of the twisted pair is π/4 square mm. A 10-km length of this type of material, with two strands per
OPENCART - Want Massive amount of products Imported through CSV We have a massive list of products that would take completely too long to do data entry. We require a slick progr
how many types of data model in DBMS? explain data abstraction with its different level
Show, with the help of an example, that relatively high-level transitions result when system or program is stimulated by the outside events. In diagram below, we can observe i
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