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create table <table_name>(
column_name1 column_type [not null] [check (expression)]
[default value] [primary key][references <table_name>(column_name)],
column_name2 column_type [not null] [check (expression)]
[default value] [primary key][references <table_name>(column_name)]
....
[constraint primary_name
primary key(column_name1,column_name2...)
]
[unique(<column_name1,column_name2...>)]
);
create table <table_name>
as
select * from <other_table_name> where <condition>
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1 alter table <table_name> add(column_name column_type);
2 alter table <table_name> modify(column_naem column_type);
---------------------------------------------------------------------------------------
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drop table <table_name>;
truncate table <table_name>;
---------------------------------------------------------------------------------------
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rename <table_name1> to <table_name2>;
---------------------------------------------------------------------------------------
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1 insert into <table_name> (column_name1, column_name2, ....)
values (column_value1, column_value2,.... );
2 insert into <table_name>
values (column_value1, column_value2,.... );
3 insert into <table_name> (column_name1, column_name2, ....)
select expression1,expression2, ....
from <table_name>
[where <condition_expression>];
---------------------------------------------------------------------------------------
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INTERVAL DAY TO SECONDÊý¾ÝÀàÐÍ
OracleÓï·¨:
INTERVAL '{ integer | integer time_expr | time_expr }'
{ { DAY | HOUR | MINUTE } [ ( leading_precision ) ]
| SECOND [ ( leading_precision [, fractional_seconds_precision ] ) ] }
[ TO { DAY | HOUR | MINUTE | SECOND [ (fractional_seconds_precision) ] } ......
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SQL> select * from t2;
ID
----------
3
1
2
SQL> update t2 set i ......
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from: http://cid-4e5d038451e31a25.spaces.live.com/blog/cns!4E5D038451E31A25!140.entry
create or replace procedure P_QuerySplit(
sqlscript varchar2, --±íÃû/SQLÓï¾ä
pageSize integer, ......
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