Indexing in database
An index in database is a data structure that improves the speed of retrieval operation at the cost of some extra memory.Indexes are used t...
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Joins in database
Explain all the Joins ? An SQL join clause combines records from two or more tables in a database. It creates a set that can be s...
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Level Order Traversal of binary search tree
Que : Write a program to print the node of tree level wise(one level at a time) . For example if we have the following tree then the output...
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Delete, Drop and Truncate Difference
Delete Delete is used to delete a particular row or all the row using the where clause or without using it . Syntax for delete command i...
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