DROP TABLE problems: Foreign key references.

From SQLZoo

DROP TABLE problems: Foreign key references.

schema:scott

You may not drop a table if it is referenced by another table.

DROP TABLE t_b;
DROP TABLE t_a
CREATE TABLE t_a (i INTEGER NOT NULL PRIMARY KEY);
CREATE TABLE t_b (j INTEGER,
FOREIGN KEY(j) REFERENCES t_a(i));
DROP TABLE t_a
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