fsdfasj //自动分配一行号给载入 表t 的seqno字段 此行为 1
fasdjfasdfl // 此行为 2 …
9 ***** 载入有换行符的数据
注意: unix 和 windows 不同 n & /n
< 1 > 使用一个非换行符的字符
LOAD DATA
INFILE *
INTO TABLE DEPT
REPLACE
FIELDS TERMINATED BY ‘,’
TRAILING NULLCOLS
(DEPTNO,
DNAME “upper(:dname)”,
LOC “upper(:loc)”,
LAST_UPDATED “my_to_date( :last_updated )”,
COMMENTS “replace(:comments,’n’,chr(10))” // replace 的使用帮助转换换行符
)
BEGINDATA
10,Sales,Virginia,01-april-2001,This is the SalesnOffice in Virginia
20,Accounting,Virginia,13/04/2001,This is the AccountingnOffice in Virginia
30,Consulting,Virginia,14/04/2001 12:02:02,This is the ConsultingnOffice in Virginia
40,Finance,Virginia,987268297,This is the FinancenOffice in Virginia
< 2 > 使用fix属性
LOAD DATA
INFILE demo17.dat “fix 101”
INTO TABLE DEPT
REPLACE
FIELDS TERMINATED BY ‘,’
TRAILING NULLCOLS
(DEPTNO,
DNAME “upper(:dname)”,
LOC “upper(:loc)”,
LAST_UPDATED “my_to_date( :last_updated )”,
COMMENTS
)
demo17.dat
10,Sales,Virginia,01-april-2001,This is the Sales
Office in Virginia
20,Accounting,Virginia,13/04/2001,This is the Accounting
Office in Virginia
30,Consulting,Virginia,14/04/2001 12:02:02,This is the Consulting
Office in Virginia
40,Finance,Virginia,987268297,This is the Finance
Office in Virginia
// 这样装载会把换行符装入数据库 下面的方法就不会 但要求数据的格式不同
LOAD DATA
INFILE demo18.dat “fix 101”
INTO TABLE DEPT
REPLACE
FIELDS TERMINATED BY ‘,’ OPTIONALLY ENCLOSED BY ‘”‘
TRAILING NULLCOLS
(DEPTNO,
DNAME “upper(:dname)”,
LOC “upper(:loc)”,
LAST_UPDATED “my_to_date( :last_updated )”,
COMMENTS
)
demo18.dat
10,Sales,Virginia,01-april-2001,”This is the Sales
Office in Virginia”
20,Accounting,Virginia,13/04/2001,”This is the Accounting
Office in Virginia”
30,Consulting,Virginia,14/04/2001 12:02:02,”This is the Consulting
Office in Virginia”
40,Finance,Virginia,987268297,”This is the Finance
Office in Virginia”
< 3 > 使用var属性
LOAD DATA
INFILE demo19.dat “var 3”
// 3 告诉每个记录的前3个字节表示记录的长度 如第一个记录的 071 表示此记录有 71 个字节
INTO TABLE DEPT
REPLACE
FIELDS TERMINATED BY ‘,’
TRAILING NULLCOLS
(DEPTNO,
DNAME “upper(:dname)”,
LOC “upper(:loc)”,
LAST_UPDATED “my_to_date( :last_updated )”,
COMMENTS
)
