$sql="showcreatetablecategory";$res=mysql_query($sql)ordie(mysql_error());while($obj=mysql_fetch_object($res))...{print_r($obj);echo"<hr>";}输出stdClassObject([Table]=>category[CreateTable]=>CREATETABLE`category`(`CategoryID`int(10)unsignedNOTNULLdefault'0',`CategoryName`varchar(80)NOTNULLdefault'',`ParentID`int(10)unsignedNOTNULLdefault'0',`Keywords`varchar(255)NOTNULLdefault'',`ProductCount`mediumint(6)unsignedNOTNULLdefault'0',`TradeLeadCount`mediumint(6)NOTNULLdefault'0',`CompanyCount`mediumint(6)NOTNULLdefault'0',`B2soutletcount`mediumint(6)unsignedNOTNULLdefault'0',`CategoryType`tinyint(1)NOTNULLdefault'0',`Section`tinyint(1)unsignedNOTNULLdefault'0',`IsLeaf`tinyint(1)NOTNULLdefault'1',`Link`int(10)unsignedNOTNULLdefault'0',PRIMARYKEY(`CategoryID`),KEY`GroupName`(`CategoryName`),KEY`ParentID`(`ParentID`),KEY`CategoryType`(`CategoryType`),KEY`Section`(`Section`))ENGINE=MyISAMDEFAULTCHARSET=latin1) mysql>teeoutmsg.log--注把以后在命令行执行的结构都输入到outmsg.log文件中mysql>?showName:'SHOW'Description:SHOWhasmanyformsthatprovideinformationaboutdatabases,tables,columns,orstatusinformationabouttheserver.Thissectiondescribesthosefollowing:SHOW[FULL]COLUMNSFROMtbl_name[FROMdb_name][LIKE'pattern']SHOWCREATEDATABASEdb_nameSHOWCREATEFUNCTIONfuncnameSHOWCREATEPROCEDUREprocnameSHOWCREATETABLEtbl_nameSHOWDATABASES[LIKE'pattern']SHOWENGINEengine_name...{LOGS|STATUS}SHOW[STORAGE]ENGINESSHOWERRORS[LIMIT[offset,]row_count]SHOWFUNCTIONSTATUS[LIKE'pattern']SHOWGRANTSFORuserSHOWINDEXFROMtbl_name[FROMdb_name]SHOWINNODBSTATUSSHOWPROCEDURESTATUS[LIKE'pattern']SHOW[BDB]LOGSSHOWPLUGINSHOWPRIVILEGESSHOW[FULL]PROCESSLISTSHOW[GLOBAL|SESSION]STATUS[LIKE'pattern']SHOWTABLESTATUS[FROMdb_name][LIKE'pattern']SHOW[OPEN]TABLES[FROMdb_name][LIKE'pattern']SHOWTRIGGERSSHOW[GLOBAL|SESSION]VARIABLES[LIKE'pattern']SHOWWARNINGS[LIMIT[offset,]row_count]TheSHOWstatementalsohasformsthatprovideinformationaboutreplicationmasterandslaveserversandaredescribedin[replication-sql]:SHOWBINLOGEVENTSSHOWMASTERLOGSSHOWMASTERSTATUSSHOWSLAVEHOSTSSHOWSLAVESTATUSIfthesyntaxforagivenSHOWstatementincludesaLIKE'pattern'part,'pattern'isastringthatcancontaintheSQL`%'and`_'wildcardcharacters.Thepatternisusefulforrestrictingstatementoutputtomatchingvalues.SeveralSHOWstatementsalsoacceptaWHEREclausethatprovidesmoreflexibilityinspecifyingwhichrowstodisplay.See[extended-show].