oracle.md

using date

case( column_1 as Timestamp )

sql plus length of the lines

set len 200

sql plus hot keys

/ l

sql plus, execute file and exit

echo exit | sqlplus user/pass@connect @scriptfilename

length of blob, len of clob

dbms_lob.getlength()

order by records desc, last record from table

select * from table(select * from table ORDER BY ROWNUM DESC) where rownum=1

search into all tab columns

select * from all_tab_columns select * from all_triggers where trigger_name like upper('enum_to_fee_service');

dbms output enable

BEGIN dbms_output.enable; dbms_output.put_line('hello'); END;

'select' combining, resultset combining

union
union all
intersect
minus