ALTER TABLE tbl_name DROP PRIMARY KEY;
ALTER TABLE tbl_name DROP [INDEX|KEY] index_name;
ALTER TABLE tbl_name DROP FOREIGN KEY fk_symbol;
SHOW CREATE TABLE tbl_name\G
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ALTER TABLE tbl_name DROP PRIMARY KEY;
ALTER TABLE tbl_name DROP [INDEX|KEY] index_name;
ALTER TABLE tbl_name DROP FOREIGN KEY fk_symbol;
SHOW CREATE TABLE tbl_name\G
2014-10-19
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