thanks, Kevin. For my case, all index is single column index.
index on id on tab1
index on c1 on tab1
index on c2 on tab1
index on id on tab2
index on c3 on tab2
thanks, Kevin. For my case, all index is single column index.
index on id on tab1
index on c1 on tab1
index on c2 on tab1
index on id on tab2
index on c3 on tab2