Sql 如何在Oracle 11g R2中从SELECT AS创建表并按范围列表对表进行分区?
我试图从一个名为Titles的现有表中创建一个名为Titles2的新表。我必须使用SELECT AS语句从标题创建标题2中的列。我还必须按范围和列表对标题2进行划分 用于创建标题的代码:Sql 如何在Oracle 11g R2中从SELECT AS创建表并按范围列表对表进行分区?,sql,oracle,oracle11gr2,Sql,Oracle,Oracle11gr2,我试图从一个名为Titles的现有表中创建一个名为Titles2的新表。我必须使用SELECT AS语句从标题创建标题2中的列。我还必须按范围和列表对标题2进行划分 用于创建标题的代码: SQL> CREATE TABLE Titles 2 ( 3 Title_id char(3) , 4 Title varchar2(40), 5 Genre varchar2(10), 6
SQL> CREATE TABLE Titles
2 (
3 Title_id char(3) ,
4 Title varchar2(40),
5 Genre varchar2(10),
6 Pages number ,
7 Price number(5,2) ,
8 Sales number ,
9 Pub_id char(3) ,
10 Pubdate date ,
11 Advance number(9,2) ,
12 Royalty_rate number(5,2) ,
13 CONSTRAINT Titles_pk PRIMARY KEY (title_id),
14 CONSTRAINT Titles_Publishers_fk FOREIGN KEY (Pub_id)
15 REFERENCES Publishers (pub_id)
16 )
17 PARTITION BY RANGE (Pubdate) (
18 PARTITION P1 VALUES LESS THAN (TO_DATE('01-JAN-1995', 'DD-MON-YYYY')) TABLESPACE TSLab8ben1,
19 PARTITION P2 VALUES LESS THAN (TO_DATE('01-JAN-2000', 'DD-MON-YYYY')) TABLESPACE TSLab8ben2,
20 PARTITION P3 VALUES LESS THAN (MAXVALUE) TABLESPACE TSLab8ben3
21 );
Table created.
以下代码是我迄今为止从标题创建Titles2表的代码:
CREATE TABLE Titles2 AS
SELECT Title_id AS TID, Title, Genre, Sales, (Sales * Price) AS Revenue, Pub_id AS P#
FROM Titles
PARTITION BY RANGE (Revenue)
SUBPARTITION BY LIST (Genre)
SUBPARTITION TEMPLATE (
SUBPARTITION G1 VALUES ('history', 'biography'),
SUBPARTITION G2 VALUES ('computer','children'),
SUBPARTITION G3 VALUES (DEFAULT)) (
PARTITION P1 VALUES LESS THAN (100000),
PARTITION P2 VALUES LESS THAN (500000),
PARTITION P3 VALUES LESS THAN (1000000),
PARTITION P4 VALUES LESS THAN (MAXVALUE));
但是,创建Titles2的代码不会执行。有人能帮我执行标题2的代码吗?谢谢 创建表
Titles2
只需使用Create table
语句(不是cta)和适当的分区,就像您使用标题所做的那样。然后使用insert
语句用标题中的数据填充标题2
insert into Titles2
select <<columns>>
from Titles
为什么需要将CREATE TABLE作为SELECT创建标题2
?为什么不能使用CREATE TABLE
命令创建Titles2
,然后在Titles2中插入从标题中选择来填充数据?
CREATE TABLE Titles2
PARTITION BY RANGE (Revenue)(
SUBPARTITION BY LIST (Genre)
SUBPARTITION TEMPLATE (
SUBPARTITION G1 VALUES ('history', 'biography'),
SUBPARTITION G2 VALUES ('computer','children'),
SUBPARTITION G3 VALUES (DEFAULT)) (
PARTITION P1 VALUES LESS THAN (100000),
PARTITION P2 VALUES LESS THAN (500000),
PARTITION P3 VALUES LESS THAN (1000000),
PARTITION P4 VALUES LESS THAN (MAXVALUE))
) AS
SELECT Title_id AS TID
, Title
, Genre
, Sales
, (Sales * Price) AS Revenue
, Pub_id AS P#
FROM Titles