How do ORACLE and MYSQL import data from each other
This article mainly explains "how ORACLE and MYSQL import data from each other". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how ORACLE and MYSQL import data each other".
It's just a column and method specific options to be added as needed.
1. ORACLE uninstall data
DECLARE
Row_result varchar2 (4000)
Selectsql varchar2 (4000)
Qrycursor SYS_REFCURSOR
Txt_handle UTL_FILE.file_type
BEGIN
-- selectsql: = 'select id | |',''| | name | |'','| | dti from testdump where name =''gaopeng'' and dti > to_date (' '2015-03-17 00 to_date,' 'yyyy-mm-dd hh34:mi:ss'')'
Selectsql: = 'select nvl (to_char (id),'\ nerve') | |'',''| | nvl (name,''\ net') | |'',''| | nvl (to_char (dt,''yyyy-mm-dd''),''\ net') from txt'
Txt_handle: = UTL_FILE.FOPEN ('DATA_PUMP_DIR',' testnull1.txt', 'wicked, 32767)
Open qrycursor for selectsql
Loop
Fetch qrycursor
Into row_result
Exit when qrycursor%notfound
UTL_FILE.PUT_LINE (txt_handle, row_result)
End loop
-- close the cursor
Close qrycursor
UTL_FILE.FCLOSE (txt_handle)
End
2. Import to MYSQL
MYSQL LOAD DATA INFILE
1gamma gaopengjia 2010-10-10
2meme gaopeng2Jing 2011-11-12
3Gao Gao Geng 2011-12-13
Load data infile'/ tmp/testnull1.txt' into table txt fields terminated by', 'LINES TERMINATED BY'\ n'
3. MYSQL uninstall data
SELECT id,name,dt into outfile "/ tmp/test2.txt"
FIELDS TERMINATED BY','
LINES TERMINATED BY'\ n'
FROM txt
4. Import to ORACLE
1gamma gaopengjia 2010-10-10
2meme gaopeng2Jing 2011-11-12
3Gao Gao Geng 2011-12-13
Append can be replaced with replace
Modify according to demand
Load data
Infile'/ home/oradba/loadr/in.txt'
Badfile'/ home/oradba/loadr/bad.txt'
DISCARDFILE'/ home/oradba/loadr/dc.txt'
Append
Into table txt
Fields terminated by','
(id
Name
Dt char "to_date (: dt,'YYYY-MM-DD')"
)
Sqlldr userid=ppzhu/gelc123 control=/home/oradba/loadr/ld.ctl log=/home/oradba/loadr/log.log
Thank you for reading, the above is the content of "how ORACLE and MYSQL import data each other". After the study of this article, I believe you have a deeper understanding of how ORACLE and MYSQL import data each other, and the specific use needs to be verified in practice. Here is, the editor will push for you more related knowledge points of the article, welcome to follow!
