The database is a way to store the data in tabular form. The database is a collection of the tables and all the tables are connected with the keys. The keys are the column their respective data has uniquely differentiated the rows. The main types of keys are the primary key, foreign ...
The SQL uses some operators to throw queries like SELECT uses to selects a data value and shown on the output screen, Where uses for conditions, Group by uses to group the output, Joins uses to join the two or more tables with the ...
Consider the issue of doing a full table scan, reading all the rows in the table, to find rows for a query. On the surface, reading the entire table to find the desired rows seems like an inefficient approach. Many people avoid it, thinking that an indexed retrieval is better. But this...
it is often necessary to consider the combined effects of multiple forces acting on an object. this is where the concept of a system of forces comes into play. a system of forces refers to the collective influence of all the individual forces that act on an object, typically in three-dimen...
Explain the concept of encapsulation. Provide an example to illustrate your points and also provide the pseudocode. Explain some practical problems that arise from using the agile method. Explain with examples what is meant by lossy decomposition...