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'Order' table:
| O_Id | OrderDate | OrderPrice | Customer |
|---|---|---|---|
| 1 | 2009/12/12 | 1000 | Harry |
| 2 | 2008/03/23 | 1600 | Nancy |
| 3 | 2008/09/02 | 700 | Harry |
| 4 | 2008/09/03 | 300 | Harry |
| 5 | 2008/08/30 | 2000 | Jensen |
| 6 | 2008/03/04 | 100 | Nancy |
The list of expressions whose values should be sorted is specified after the _____________ keyword.
The PostgreSQL ASCII() function returns_________
Returns a character string or a formatted string from a date value
___________they are used to ensure that each row in a table is uniquely identifiable.
Modifies a table’s definition (adds, modifies, or deletes attributes or constraints)
Validates data in an attribute
Returns a date value using a character string and a date format mask.
Sometimes it is necessary to limit the output of the query to a certain number of rows and discard the rest, in such case the ____________ keyword is used.
Orders the selected rows based on one or more attributes