Oracle XMLTable/XMLTYPE(不知道)
我正在尝试使用OracleXE11创建数据库,我要做的是创建XML表并向其中输入数据 步骤1:Oracle XMLTable/XMLTYPE(不知道),xml,oracle,plsql,xmltype,xmltable,Xml,Oracle,Plsql,Xmltype,Xmltable,我正在尝试使用OracleXE11创建数据库,我要做的是创建XML表并向其中输入数据 步骤1: CREATE TABLE Customer( customerId int Primary KEY, signUpDate Date NOT NULL, CustomerData XMLTYPE, CustomerAdress XMLTYPE); 步骤2: CustomerData.xml <?xml version="1.0"?> <CustomerData>
CREATE TABLE Customer(
customerId int Primary KEY,
signUpDate Date NOT NULL,
CustomerData XMLTYPE,
CustomerAdress XMLTYPE);
步骤2:
CustomerData.xml
<?xml version="1.0"?>
<CustomerData>
<Customer>
<name>Alex Smith</name>
<type>Fleet</type>
<nip>1234567890</nip>
</Customer>
<Customer>
<name>Saly North</name>
<type>person</type>
<nip>2345678901</nip>
</Customer>
<CustomerData>
步骤4:
现在我有一个问题,因为我不知道如何输入这些数据。
我试图:
INSERT INTO Customer (customerId, signUpDate, CustomerData, CustomerAdress) VALUES
(1, to_date('12-05-1970','dd-mm-yyyy'), XMLType(bfilename('XMLDIR', 'CustomerData.xml'), nls_charset_id('AL32UTF8')), XMLType(bfilename('XMLDIR', 'CustomerAdress.xml'), nls_charset_id('AL32UTF8')));
但它返回我1行(我知道为什么…因为使用我声明的所有xml文件只创建1行)
我想知道。。。也许一个过程(PL/SQL)能帮我解决这个问题
另一个问题是(我需要将它们全部用于更新/插入/删除):
-Xpath
-多姆
-萨克斯
-Xquery
-创建XML架构以验证输入的XML文件
-将XML文件从DB写入桌面上的file.XML
-将XML file.XML从桌面读取到数据库
我甚至不确定我的开始是否顺利。
//------------------------------------------------------------//
我正试图将xmlfile插入表中,但我不知道如何从xmlfile中分离数据
我在期待什么
第1行:
customerId = 1 ||
signUpDate = 12-05-1970 ||
CustomerData = <name>Alex Smith</name> <type>Fleet</type> <nip>1234567890</nip> ||
CustomerAdress = <city>Xxxx</city> <street>Yyyy 2</Street> <postcode>56-200</postcode>
customerId=1 ||
signUpDate=12-05-1970 | |
CustomerData=Alex Smith车队1234567890||
CustomerAddress=Xxxx Yyyy 2 56-200
第2行:
customerId = 2 ||
signUpDate = 26-10-2007 ||
CustomerData = <name>Saly North</name> <type>Person</type> <nip>2345678901</nip> ||
CustomerAdress = <city>Zzzz</city> <street>Uuuu 5</Street> <postcode>57-300</postcode>
customerId=2 ||
signUpDate=26-10-2007 | |
CustomerData=Saly North人员2345678901||
客户地址=ZZZUUUU5 57-300
。
.
第n行:
customerId = n ||
signUpDate = dd-mm-yyy ||
CustomerData = <name>Xxx Yyy</name> <type>Xxx</type> <nip>nnnnnnnnnn</nip> ||
CustomerAdress = <city>Xxx</city> <street>Xxx</Street> <postcode>xx-xxx</postcode>
customerId=n | |
signUpDate=dd-mm-yyy | |
CustomerData=Xxx Yyy Xxx nnnnnnnnnnnn||
CustomerAddress=Xxx Xxx Xxx Xxx
在我看来,XMLTYPE表应该是这样的,但我可能错了(我还需要使用简单的操作,比如使用sql查询插入/删除/更新,来操作这个XMLDB)我认为您正在寻找XMLTable函数,如果您需要解析xml文件,它非常有用。 您可以将xml加载到另一个表中,例如customer_xml,然后使用XMLTable函数解析xml数据并插入到主表customer中。例如:
CREATE TABLE CUSTOMER (customerid NUMBER,
signupdate DATE,
name VARCHAR2(255),
type VARCHAR2(255),
nip VARCHAR2(255))
/
CREATE TABLE CUSTOMER_XML (dataxml XMLTYPE)
/
CREATE SEQUENCE seq_customer_id START WITH 1 INCREMENT BY 1
/
CREATE PROCEDURE p_customer_insert
IS
TYPE t_customer_aat IS TABLE OF customer%ROWTYPE INDEX BY PLS_INTEGER;
l_customer_aat t_customer_aat;
l_dataxml XMLTYPE;
BEGIN
SELECT dataxml INTO l_dataxml
FROM customer_xml;
SELECT seq_customer_id.NEXTVAL, sysdate, x.*
BULK COLLECT INTO l_customer_aat
FROM XMLTABLE('/CustomerData/Customer' PASSING l_dataxml
COLUMNS
name VARCHAR2(255) PATH 'name',
type VARCHAR2(255) PATH 'type',
nip VARCHAR2(255) PATH 'nip') x;
FORALL indx in 1..l_customer_aat.COUNT
INSERT INTO customer VALUES l_customer_aat(indx);
COMMIT;
END;
如果在表中插入一行,则在select上返回一行。你到底在期待什么?请解释您要选择的内容。你的另一个问题太宽泛了。
customerId = n ||
signUpDate = dd-mm-yyy ||
CustomerData = <name>Xxx Yyy</name> <type>Xxx</type> <nip>nnnnnnnnnn</nip> ||
CustomerAdress = <city>Xxx</city> <street>Xxx</Street> <postcode>xx-xxx</postcode>
CREATE TABLE CUSTOMER (customerid NUMBER,
signupdate DATE,
name VARCHAR2(255),
type VARCHAR2(255),
nip VARCHAR2(255))
/
CREATE TABLE CUSTOMER_XML (dataxml XMLTYPE)
/
CREATE SEQUENCE seq_customer_id START WITH 1 INCREMENT BY 1
/
CREATE PROCEDURE p_customer_insert
IS
TYPE t_customer_aat IS TABLE OF customer%ROWTYPE INDEX BY PLS_INTEGER;
l_customer_aat t_customer_aat;
l_dataxml XMLTYPE;
BEGIN
SELECT dataxml INTO l_dataxml
FROM customer_xml;
SELECT seq_customer_id.NEXTVAL, sysdate, x.*
BULK COLLECT INTO l_customer_aat
FROM XMLTABLE('/CustomerData/Customer' PASSING l_dataxml
COLUMNS
name VARCHAR2(255) PATH 'name',
type VARCHAR2(255) PATH 'type',
nip VARCHAR2(255) PATH 'nip') x;
FORALL indx in 1..l_customer_aat.COUNT
INSERT INTO customer VALUES l_customer_aat(indx);
COMMIT;
END;