java - Execution of multiple select statements -

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i want execute multiple select statements using group by.

i have tried following one:

resultset rs=s.executequery("select attr_name, count(*)"                           + " table_name"                           + " group attr_name;"                           + "select attr_name, count(*)"                           + " table_name"                           + " group attr_name");

but not coming.

the way join 2 sets of results use union all

resultset rs=s.executequery(   "select attr_name,count(*) table_name group attr_name union select attr_name,count(*) table_name group attr_name" );

be careful make sure columns same: there must same number of columns , must of same type. worth explicitly naming columns make sure: select attr_name, count(*) attr_count from...


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