September 2010
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Rebuild all indexes once

declare
index_name VARCHAR2(100);
CURSOR i_c is select index_name from user_indexes;
begin
open i_c;
loop
fetch i_c into index_name;
EXIT WHEN i_c%NOTFOUND;
EXECUTE IMMEDIATE (’alter index ‘ || index_name || ‘ rebuild’);
end loop;
end;

Fast Mysql Command from BASH

The powerful of shell is using quick command without run the program
mysql -u{user} {schema} -s -Be “SELECT NOW()”

BASH How to delete lines from a file by sed

1- Delete by Specific text
sed -i ‘/YOUR TEXT/ d’ file.log

2- Delete by line numbers
sed -i 10,+5d file.log

3- Delete Empty lines
sed -i ‘/^$/d’