MySQL的保留关键字，使用时尽量避免

使用mysql时一定要注意，尽量不要使用它的保留字作为表名或者列名，否则会出现莫名其妙的错误。如果之前用了，在sql语句中就用``包括起来。

从网上找了一个mysql的保留字列表，仅供参考。

ADDALLALTERANALYZEANDASASCASENSITIVEBEFOREBETWEENBIGINTBINARYBLOBBOTHBYCALLCASCADECASECHANGECHARCHARACTERCHECKCOLLATECOLUMNCONDITIONCONNECTIONCONSTRAINTCONTINUECONVERTCREATECROSSCURRENT_DATECURRENT_TIMECURRENT_TIMESTAMPCURRENT_USERCURSORDATABASEDATABASESDAY_HOURDAY_MICROSECONDDAY_MINUTEDAY_SECONDDECDECIMALDECLAREDEFAULTDELAYEDDELETEDESCDESCRIBEDETERMINISTICDISTINCTDISTINCTROWDIVDOUBLEDROPDUALEACHELSEELSEIFENCLOSEDESCAPEDEXISTSEXITEXPLAINFALSEFETCHFLOATFLOAT4FLOAT8FORFORCEFOREIGNFROMFULLTEXTGOTOGRANTGROUPHAVINGHIGH_PRIORITYHOUR_MICROSECONDHOUR_MINUTEHOUR_SECONDIFIGNOREININDEXINFILEINNERINOUTINSENSITIVEINSERTINTINT1INT2INT3INT4INT8INTEGERINTERVALINTOISITERATEJOINKEYKEYSKILLLABELLEADINGLEAVELEFTLIKELIMITLINEARLINESLOADLOCALTIMELOCALTIMESTAMPLOCKLONGLONGBLOBLONGTEXTLOOPLOW_PRIORITYMATCHMEDIUMBLOBMEDIUMINTMEDIUMTEXTMIDDLEINTMINUTE_MICROSECONDMINUTE_SECONDMODMODIFIESNATURALNOTNO_WRITE_TO_BINLOGNULLNUMERICONOPTIMIZEOPTIONOPTIONALLYORORDEROUTOUTEROUTFILEPRECISIONPRIMARYPROCEDUREPURGERAID0RANGEREADREADSREALREFERENCESREGEXPRELEASERENAMEREPEATREPLACEREQUIRERESTRICTRETURNREVOKERIGHTRLIKESCHEMASCHEMASSECOND_MICROSECONDSELECTSENSITIVESEPARATORSETSHOWSMALLINTSPATIALSPECIFICSQLSQLEXCEPTIONSQLSTATESQLWARNINGSQL_BIG_RESULTSQL_CALC_FOUND_ROWSSQL_SMALL_RESULTSSLSTARTINGSTRAIGHT_JOINTABLETERMINATEDTHENTINYBLOBTINYINTTINYTEXTTOTRAILINGTRIGGERTRUEUNDOUNIONUNIQUEUNLOCKUNSIGNEDUPDATEUSAGEUSEUSINGUTC_DATEUTC_TIMEUTC_TIMESTAMPVALUESVARBINARYVARCHARVARCHARACTERVARYINGWHENWHEREWHILEWITHWRITEX509XORYEAR_MONTHZEROFILL

注：MySQL允许部分关键字用做未引起来的识别符，因为许多人以前曾使用过它们。如：ACTION、BIT、DATE、ENUM、NO、TEXT、TIME、TIMESTAMP