mysql建立索引语句

mssql里面，下面这个建立非聚集索引语句在mysql里面的对应语句是什么呢？

create nonclustered index NonClu_IX_Contenta_aaa_bbb on Contenta (aaa desc,bbb desc)

解决方案

create index NonClu_IX_Contenta_aaa_bbb on Contenta (aaa desc,bbb desc)

引用

CREATE [ONLINE|OFFLINE] [UNIQUE|FULLTEXT|SPATIAL] INDEX index_name
[index_type]
ON tbl_name (index_col_name,…)
[index_option] …
index_col_name:
col_name [(length)] [ASC | DESC]
index_type:
USING {BTREE | HASH | RTREE}
index_option:
KEY_BLOCK_SIZE [=] value
| index_type
| WITH PARSER parser_name