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When is UPDATE_STATISTICS command used?
- When processing of large data is done, this command is used.
- Whenever large number of modification, deletions or copy takes place into the tables, indexes need to be updated to take care of these changes. UPDATE_STATISTICS performs this job.
What is Collation Collation is a kind of sort order. There are majorly 3 types of sort orders, namely: i.) Dictionary case insensitive ii.)Dictionary - case sensitive
what is er digram given that example of hospital,bank and library er digram.
Describe the types of Inheritance 1. Single inheritance 2. Multiple inheritance 3. Hierarchical inheritance 4. Multilevel inheritance
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