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579 B
579 B
CREATE VIEW
Description This statement is used to create a logical view Grammar: CREATE VIEW [IF NOT EXISTS] [db_name.]view_name (column1[, column2, ...]) AS query
Explain:
- Views are logical views without physical storage. All queries on views are equivalent to sub-queries corresponding to views.
- Query_stmt is arbitrarily supported SQL
'35;'35; example
- Create view example_view on example_db CREATE VIEW example_db.example_view (k1, k2, k3, v1) AS SELECT c1 as k1, k2, k3, SUM(v1) FROM example_table WHERE k1 = 20160112 GROUP BY k1,k2,k3;
keyword
CREATE,VIEW