These words are reserved if you are running in XDB Mode.
| add | distinct | key | select | where |
| all | double | set | with | |
| alter | drop | level | some | |
| and | like | sounds | xabs | |
| any | editproc | stogroup | xconcat | |
| as | erase | modify | synonym | xdate |
| audit | escape | money | xday | |
| except | table | xexp | ||
| between | exists | not | tablespace | xleft |
| bottom | null | to | xlength | |
| bufferpool | fetch | today | xln | |
| by | fieldproc | of | xlog | |
| for | on | undelete | xlower | |
| cluster | from | or | union | xmid |
| coalesce | order | unique | xmonth | |
| collection | grant | unlock | xpower | |
| column | group | package | update | xright |
| concat | previous | user | xsqrt | |
| connect | having | priqty | using | xstddev |
| count | host | privileges | xtime | |
| current | program | validproc | xtimestamp | |
| in | values | xtoday | ||
| database | index | rename | variable | xtrim |
| datetime | insert | row | vcat | xupper |
| delete | into | view | xvar | |
| directories | is | secqty | volumes | xyear |