Name three sql operations that perform a sort.
i have xml source. xml source having lacks of records. i want extract/retrive xml source data using sql query. please tell me how to write query.
What are the query optimization techniques?
How to avoid using cursors? What to use instead of cursor and in what cases to do so?
a. Can you delete data from a View. b. If Yes, can you delete it if there are multiple tables c. If No, can you delete if there is single source table which is joining.
how many columns can be used for creating index? : Sql dba
What is the life of an sql statement?
How does postgresql compare to mysql?
What does data normalization mean?
What is a primary key example?
What is trigger and how to use it in sql?
explain mysql aggregate functions. : Sql dba
What is the example of procedure?