mysql set field unique
ALTER TABLE mytbl ADD UNIQUE (columnName);mysql set field unique
ALTER TABLE mytbl ADD UNIQUE (columnName);mysql query unique column
SELECT DISTINCT(column_name) FROM your_table_name;
#You can select distinct values for one or more columns. The column names has to be separated with comma.
SELECT DISTINCT column_name_1, column_name_2 FROM your_table_name;Copyright © 2021 Codeinu
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