Do we need to create index on primary key?
How many columns should be in an index?
How is indexing done in search engines?
How many subqueries can be nested in a statement?
How many clustered indexes can you have?
How do you explain an index?
How many types of normalization are there?
How do you write an index?
Is clustered index a primary key?
How do I delete a trigger?
How do you delete a table?
How do I remove duplicates in two columns?
How do I find duplicates in two columns?
How can I delete duplicate rows?
How do rank () and dense_rank () differ?