Null data in not null column
- From: "Ingrid Voigt" <giantpanda@xxxxxxx>
- To: "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 15 Apr 2014 17:53:58 +0200
Hi,
one of our customers' databases has a table with a not null column containing
empty data.
Do you know how this can be set up?
I need to copy the table (via exp/imp) and hit either ORA-01400 (when defining
not null
before insert) or ORA-02296 (when I insert first and later modify the column).
More details:
Windows 2008 R2
Oracle 11.2.0.3 + Patch 27 (January 2014)
Table definition (more columns left out):
CREATE TABLE USR_USER
(
OID NUMBER(15) NOT NULL,
ANZEIGE_NAME VARCHAR2(40 BYTE) DEFAULT ''
NOT NULL,
)
TABLESPACE USERS;
And the data:
> select oid, anzeige_name, '.'||anzeige_name||'.' from usr_user;
OID ANZEIGE_NAME LENGTH(ANZEIGE_NAME)
---------- ---------------------------------------- --------------------
223
224
(more rows left out)
These are not strings consisting of spaces, but really empty ones, i.e. nulls.
Insert into the table without specifying anzeige_name also hits ORA-01400, the
condition
is active. The corresponding check constraint is enabled and validated.
I'd appreciate help in reproducing this.
Thank you.
Ingrid Voigt
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