grammar:
ALTER TABLE table name ADD [UNIQUE | FULLTEXT | SPATIAL] INDEX index name (field name [(length)] [ASC | DESC]);
example:
ALTER TABLE t_order ADD INDEX index_Fposting_date(Fposting_date);
grammar:
ALTER TABLE table name ADD [UNIQUE | FULLTEXT | SPATIAL] INDEX index name (field name [(length)] [ASC | DESC]);
example:
ALTER TABLE t_order ADD INDEX index_Fposting_date(Fposting_date);