NOT NULL in Table creation

Maarten

After comparing schemes I get this output:

-- Creation

CREATE TABLE "MARC"."DESTDETT" (
  "CARR_TYPE" NVARCHAR2(9) NULL,
  "COMP_CODE" NVARCHAR2(6) NULL,
  "CUST_NAME" NVARCHAR2(90) NULL,
  "CUST_NO" NVARCHAR2(90) NULL,
  "CUST_ZONE" NVARCHAR2(9) NULL,
  "FRT_PAY_CODE" NVARCHAR2(6) NULL,
  "MIN_MINS_BEFORE_DEPART" NUMBER(4) NULL,
  "MSG_FLG" NVARCHAR2(36) NULL,
  "ORD_PRIO" NVARCHAR2(6) NULL,
  "ORD_TYPE" NVARCHAR2(6) NULL,
  "PROC_SEQ_NO" NUMBER(9) NULL,
  "PROD_NO" NUMBER(9) NULL,
  "RULE_ID" VARCHAR2(90)    -----> NULL,
  "RULE_TYPE" NVARCHAR2(3) NULL,
  "SCHEDULE_CODE" NVARCHAR2(1) NULL,
  "SINGLE_CONSOL_FLG" NVARCHAR2(3) NULL,

where my collumn has:

SQL> desc destdett
 Name                                      Null?    Type
 ----------------------------------------- -------- ----------------------------
 CARR_TYPE                                        NVARCHAR2(9)
 COMP_CODE                                      NVARCHAR2(6)
 CUST_NAME                                       NVARCHAR2(90)
 CUST_NO                                           NVARCHAR2(90)
 CUST_ZONE                                       NVARCHAR2(9)
 FRT_PAY_CODE                                  NVARCHAR2(6)
 MIN_MINS_BEFORE_DEPART                NUMBER(4)
 MSG_FLG                                           NVARCHAR2(36)
 ORD_PRIO                                         NVARCHAR2(6)
 ORD_TYPE                                         NVARCHAR2(6)
 PROC_SEQ_NO                                   NUMBER(9)
 PROD_NO                                          NUMBER(9)
 RULE_ID                     ---->   NOT NULL  VARCHAR2(90)
 RULE_TYPE                                          NVARCHAR2(3)
 SCHEDULE_CODE                               NVARCHAR2(1)
 SINGLE_CONSOL_FLG                         NVARCHAR2(3)

Is this a bug?

Tom Harris

Hi there,

apologies for the delay in getting back to you. This one had us bamboozled for a while. Our theory is that the constraint is probably DEFERRED which means you can insert nulls into that column as long as they are not there when the transaction finishes. This causes Oracle to report that the column can accept nulls. Could you please run the following SQL to confirm if this is what is happening?

Regards, Tom

Tom Harris, Red Gate Software

SELECT
c.owner,
c.table_name,
c.qualified_col_name AS column_name,
c.nullable
FROM all_tab_cols c
WHERE c.owner = 'MARC' AND c.table_name = 'DESTDETT'
ORDER BY owner, c.table_name, c.column_id;


SELECT
c.owner,
c.constraint_name,
c.table_name,
cc.column_name,
c.search_condition,
c.deferrable,
c.deferred
FROM
all_constraints c
LEFT JOIN all_cons_columns cc ON c.owner = cc.owner
AND c.constraint_name = cc.constraint_name
WHERE c.owner = 'MARC' AND c.table_name = 'DESTDETT'
AND c.constraint_type IN ('P', 'U', 'C', 'V', 'O')
ORDER BY owner, c.constraint_name, cc.position, cc.column_name

Maarten

First query:

OWNER TABLE_NAME COLUMN_NAME NULLABLE 
MARC DESTDETT CARR_TYPE Y 
MARC DESTDETT COMP_CODE Y 
MARC DESTDETT CUST_NAME Y 
MARC DESTDETT CUST_NO Y 
MARC DESTDETT CUST_ZONE Y 
MARC DESTDETT FRT_PAY_CODE Y 
MARC DESTDETT MIN_MINS_BEFORE_DEPART Y 
MARC DESTDETT MSG_FLG Y 
MARC DESTDETT ORD_PRIO Y 
MARC DESTDETT ORD_TYPE Y 
MARC DESTDETT PROC_SEQ_NO Y 
MARC DESTDETT PROD_NO Y 
MARC DESTDETT RULE_ID N 
MARC DESTDETT RULE_TYPE Y 
MARC DESTDETT SCHEDULE_CODE Y 
MARC DESTDETT SINGLE_CONSOL_FLG Y

Second query:

OWNER CONSTRAINT_NAME TABLE_NAME COLUMN_NAME SEARCH_CONDITION DEFERRABLE DEFERRED 
MARC DESTDETT_PRIM DESTDETT RULE_ID <null>NOT DEFERRABLE IMMEDIATE

Tom Harris

Hi there,

we believe that we have now fixed this issue. Please drop an email to productsupport@redgate.com so that we can send you out a new build to try.

Kind regards, Tom

Tom Harris, Red Gate Software

Maarten

Hi Tom,

I've send you an email

Tom Harris

Hi there,

the fix for the issue is now incorporated into the Red Gate Oracle tools download. You can grab the latest version from

http://www.red-gate.com/products/oracle-development/

Kind regards, Tom

Tom Harris, Red Gate