Software maintenance is the process of keeping a software system continuously updated to full-fill the user requirements.
The cursor is nothing but a pointer to this context area. Normally, the cursor is used when we need to process multiple rows of data.
The CPU can access data in various ways. The data could be in register or in memory or may be provided as an immediate value.
In C or C++, sometimes we need to store different types of data for the same person or object. In that.....