Author Archives: Admin

SQL Interview Questions and Answers – Part 2

1)         What is a foreign key? The foreign key is used to link one or more tables together. It is also known as…
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SQL Interview Questions and Answers – Part 1

1)     What is SQL? SQL stands for the Structured Query Language. It is the standard language used to maintain the relational database and…
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SQL QUERIES – Relational Databases

SQL queries use the SELECT statement General form is: SELECT A1, A2, ... FROM r1, r2, ... WHERE P; ri are the relations…
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TYPES OF POINTERS

Void Pointer: It is a special type of pointer that can be pointed at objectsof any data type.A void pointer is declared like…
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