Oracle 关于ORA-01722的SQL异常:不是有效数字
表格结构:Oracle 关于ORA-01722的SQL异常:不是有效数字,oracle,ora-01722,Oracle,Ora 01722,表格结构: create table VOTE_PROPOSER ( ID NUMBER not null, NAME VARCHAR2(100), GENDER VARCHAR2(50), BIRTHDAY DATE, IDENTITYTYPE VARCHAR2(50), IDENTITYCODE VARCHAR2(100), PHONENUMBER VARCHAR
create table VOTE_PROPOSER
(
ID NUMBER not null,
NAME VARCHAR2(100),
GENDER VARCHAR2(50),
BIRTHDAY DATE,
IDENTITYTYPE VARCHAR2(50),
IDENTITYCODE VARCHAR2(100),
PHONENUMBER VARCHAR2(50),
CHANNELS VARCHAR2(50),
AUTHOR VARCHAR2(50),
INSTITUTIONCODE VARCHAR2(50),
MAILADDRESS VARCHAR2(200),
ZIPCODE VARCHAR2(50),
IPNO VARCHAR2(50),
RETIANVARCHAR4 VARCHAR2(50),
RETIANVARCHAR5 VARCHAR2(50),
RETAINDATE1 DATE,
RETAINDATE2 DATE,
ISCUSTOMER NUMBER,
RETAINNUMBER2 NUMBER,
RETAINNUMBER3 NUMBER,
RETAINNUMBER4 NUMBER,
RETAINNUMBER5 NUMBER,
SALEMANNAME VARCHAR2(100),
SALEMANMOBILE VARCHAR2(11),
COUNTRYCODE VARCHAR2(8),
PROVINCECODE VARCHAR2(8)
)
SQL查询:
SELECT count(*) FROM VOTE_PROPOSER WHERE 1=1 and ID='11111'
为什么要将
ID
与字符串进行比较
Oracle通常会将字符串自动转换为数字,但如果出现错误,可以使用:
SELECT count(*) FROM VOTE_PROPOSER WHERE 1=1 and ID=11111