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You walk 55 m to the north, then turn 60° to your right and walk another 45 m. How far are you from where you originally started?
Append Query
A database action that adds records from one or more sources to the end of one or more tables.
Backup Table
A copy of a database table preserved to prevent data loss in case of unforeseen events or errors.
Add Records
The process of inserting new entries or data points into a database table.
Right Outer Join
A SQL join that returns all records from the right table, and the matched records from the left table, with NULL in the result where no match.
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