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Insert into potbuddies - PowerPoint PPT Presentation

SQL (cont.)

SQL (cont.). Lecture #12. Single-Relation Queries. Null Values. Multi-Relation Queries. Relations as Bags Grouping and Aggregation. Aggregations. SUM, AVG, COUNT, MIN, and MAX can be applied to a column in a SELECT clause to produce that aggregation on the column.

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DB Modifications

DB Modifications. Modification = insert + delete + update. Insertion of a Tuple INSERT INTO relation VALUES (list of values). Inserts the tuple = list of values, associating values with attributes in the order the attributes were declared.

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Insert into potbuddies - PowerPoint PPT Presentation

SQL (cont.)

DB Modifications