text: CHECK TABLE some_table FOR UPGRADE;
  
  CHECK TABLE some_table1, some_table2 FOR UPGRADE;
  
  CHECK TABLE some_table QUICK;
  
  CHECK TABLE some_table1, some_table2 QUICK;
  
  CHECK TABLE some_table FAST;
  
  CHECK TABLE some_table1, some_table2 FAST;
  
  CHECK TABLE some_table MEDIUM;
  
  CHECK TABLE some_table1, some_table2 MEDIUM;
  
  CHECK TABLE some_table EXTENDED;
  
  CHECK TABLE some_table1, some_table2 EXTENDED;
  
  CHECK TABLE some_table CHANGED;
  
  CHECK TABLE some_table1, some_table2 CHANGED;
  
  CHECK TABLE some_table FAST QUICK;
  