Dƒ‘ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ•ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ•ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ’E Dƒš4GL ÕÔÉÌÉÔÙƒšæáêì h4util 03-éàì-91ƒš2 óôòáîéãù ðïE 88 Dóôòï냚E Dƒ“ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ˜ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ˜ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ›ƒ”E DbcheckE ðòï÷åòñåô é ÷ïóóôáîá÷ìé÷áåô ãåìïóôîïóôø éîäåëóîùè æáêìï÷. bcheck -ilnyqs cisamfiles ... -i ôïìøëï ðòï÷åòéôø éîäåëóîùå æáêìù -l list entries in b-trees D-nE answer no to all questions -y answer yes to all questions -q no program header -s resize the index file node size DdbloadE úáëáþé÷áåô äáîîùå éú ASCII æáêìï÷ ÷ âáúõ äáîîùè INFORMIX. Æáêìù íïçõô âùôø óïúäáîù äòõçéíé ðòïäõëôáíé INFORMIX, é äáöå äòõçéíé (îå INFORMIX) Óéóôåíáíé Õðòá÷ìåîéñ Âáúáíé Äáîîùè. Ðïääåòöé÷áåô óìåäõàýéå ÷ïúíïöîïóôé: Äáîîùå éú ëïîëòåôîùè ðïìåê ïäîïçï éìé âïìåå ÷èïäîùè æáêìï÷ íïö- îï ðïíåóôéôø ÷ ëïîëòåôîùå óôïìâãù ïäîïê éìé îåóëïìøëéè ôáâìéã âáúù äáîîùè. Îáþéîáôø íïöîï ó ðòïéú÷ïìøîïê óôòïëé ÷èïäîïçï æáêìá. Úáëáþáôø n óôòïë. (Ëìàþ -i) Äáîîùå æéëóéòï÷áîîïê é ðåòåíåîîïê äìéîîù. Äìñ ìàâïçï ðïìñ úáðéóé íïöîï õëáúáôø ïâïúîáþåîéå NULL úîáþåîéñ. Ë äáîîùí íïöîï äïâá÷ìñôø ëïîóôáîôù, ëïôïòùè îå âùìï ÷ï ÷èïäîùè æáêìáè. Ïûéâïþîùå úáðéóé ðåòåè÷áôù÷áàôóñ é ðïíåýáàôóñ ÷ error log æáêìå. Íïöîï úáäáôø ìéíéô îá ëïìéþåóô÷ï ïûéâïë, äïðõóôéíùè ðòé úáëáþëå. Åóìé ïî ðòå÷úïêäåôóñ, õôéìéôá ïóôáîï÷éôóñ. (Ëìàþ -e) Íïöîï úáäáôø óëïìøëï óôòïë äïóôáôïþîï õóðåûîï ðòïþåóôø, þôïâù þôïâù úáðé- óáôø éè ÷ âáúõ äáîîùè. (Ëìàþ -n) dbload [-d dbname] [-c cfilname] [-l errlogfile] [-e errnum] [-n nnum] [-i inum] [-s] [-p] [-r] -d éíñ âáúù äáîîùè -c éíñ ëïíáîäîïçï æáêìá -l log file äìñ ïûéâïþîùè óôòïë -e ëïì-÷ï äïðõóôéíùè ïûéâïþî.óôòïë before abort -n ëïì-÷ï of row(s) before commit -i óëïìøëï óôòïë óîáþáìá ðòïðõóôéôø. -s ôïìøëï ðòï÷åòéôø óéîôáëóéþåóëéå ïûéâëé -p ðòé ïóôáîï÷å óðòáûé÷áôø: commit éìé îåô -r úáçòõöáôø âåú ìïëéòï÷áîîùè ôáâìéã ÆÏÒÍÁÔ ×ÈÏÄÎÏÇÏ ÆÁÊÌÁ: ×óå úîáþåîéñ ÷ óéí÷ïìøîïí ðåþáôîïí ðòåäóôá÷ìåîéé. Úáðéóé äïìöîù òáúäåìñôøóñ óéí÷ïìïí NewLine (^J=10 ÷ ëïäáè ASCII) × ëáöäïê úáðéóé ïäéîáëï÷ïå þéóìï ðïìåê. Åóìé äáîîùå ðåòåíåîîïê äìéîîù, ôï ðïìñ äïìöîù òáúäåìñôøóñ ëá- ëéí-îéâõäø òáúäåìéôåìåí. æïòíáô äáô: mm/dd/yyyy æïòíáô DATETIME é INTERVAL: yyyy-mm-dd hh:mi:ss.fff ËÏÍÁÎÄÎÙÊ ÆÁÊÌ ÕÔÉÌÉÔÙ dbload ÓÏÄÅÒÖÉÔ: 1. îåóëïìøëï FILE ïðåòáôïòï÷, ïðéóù÷áàýéè æïòíáô ÷èïäîùè æáêìï÷. 2. îåóëïìøëï INSERT ïðåòáôïòï÷, õëáúù÷áàýéè, ëõäá ÷óôá÷ìñôø äáîîùå éú æáêìï÷. åóìé éóðïìøúõåôóñ DELIMETER, ôï ðïìñ éíåàô éíåîá f01, f02, ... òáúäåìéôåìø þéóìï ðïìåê FILE {"file-name"} { DELIMITER "c" nfields | ïâïúîáþåîéå NULL úîáþåîéñ ( field1 start [ - end ] [: ...] [NULL="null-str1"] , field2 start [ - end ] [: ...] [NULL="null-str2"] , . . . fieldN start [ - end ] [: ...] [NULL="null-strN"] ) } D;E éíñ ðïìñ îáþáìï ðïìñ ëïîåã ðïìñ [ðòïäïìöåîéå] INSERT INTO table-name [(column-list)] [VALUES (values-list)] D;E óðéóïë ëïîóôáîô é éíåî ðïìåê [ . . . ] DdbexportE Óâòáóù÷áåô äáîîùå éú âáúù äáîîùè ÷ ASCII æáêìù, äìñ ðåòåîïóá éè ÷ äòõçéå âáúù äáîîùè. Äáîîùå ðïíåýáàôóñ ÷ äéòåëôïòéà database name.exp. × îåå öå ðïíåýáåôóñ æáêì database-name.sql ó ïðåòáôï- òáíé ïðéóáîéñ äáîîùè. dbexport database-name [-c] [-q] [{-o