ALTER TABLE ADD CONSTRAINT

Similar Questions

• ALTER table add constraint vs alter table change

  Hello

  could someone explain why we have two different statements when you add a constraint on an existing table?

  If I need to add a primary key constraint to a column from an existing table that I use:

  ALTER table tab1 add the key primary constraint tab1_id_cst (id)

  But if I want to add a NOT NULL constraint, the same syntax does not work, I need to use alter table change instead

  Why?

  Thank you!

  Hello

  The constraint not null is a constraint inline, average, it applies to the column level. So in order to change anything at the column level you must use "ALTER TABLE CHANGE" only.

  Remaining constraint is forced to outline, which are part of the table definition. The table definition can be modified by "ALTER TABLE... ADD '.

  In the framework of the above mentioned constraints, those are the two columns level constraints and table except constraint NOT NULL value. Change column level, you must use the syntax

  and for the level of the table, you need to use the respective syntax.

  Kind regards

  Bigot

• ALTER Table Add column not null, no default

  I want to add two columns in a table with not null, and the default value 0 for two columns
  Can I write everything in a single statement or do I have to divide the declaration
  I tried, but didn't work
  
  ALTER table DWSODS01. DWT00301_ORD_DTL_OMS add)
  COMB_ORD_FLG NUMBER (5.0) default null, 0
  COMB_ORD_NO NUMBER (12.0)
  by default, 0 not null);
  
  How can I change the code?

  user10390682 wrote:
  OK, so if it is NOT NULL, while there should be a value.

  Yes.

  So, when I set these two columns as NOT NULL will only future data must be NON NULL.
  What of the old and present data if I defined as NOT NULL

  NOT NULL mean value of eachcolumn + line (current or future) _ must not be null. That's why always adding NOT NULL column to a non-empty table fails - the column value for existing lines will be NULL which does NOT violate the constraint nullability. If you add the NON NULL column with a default value, the column will be added and all lines existing column value will be defined by specified default (0 in your case). As a result Oracle will be able to settle forced to null for this newly added column from the value of this column in all the existing lines will be not not null (0 in your case).

  SY.

• Invalid procedure after alter table add < column >

  Hello Experts,

  I was faced with a situation where I add a column in a table that is used in a procedure, immediately after the addition of the new procedure associated with this table column becomes invalid.

  Can someone explain please know why this happens.

  Database version:-11.2.0.4.

  I was faced with a situation where I add a column in a table that is used in a procedure, immediately after the addition of the new procedure associated with this table column becomes invalid.

  Can someone explain please know why this happens.

  Yes - the Oracle documentation explains this. I found this doc with a simple search of "column, add the oracle 11g invalid procedure.

  http://docs.Oracle.com/CD/B28359_01/server.111/b28318/dependencies.htm#CHDJIIFC

  Table 6-2 , shows how objects are affected by changes to other objects upon which they depend.

  Table 6-2 operations affects this object status

  Operation	Where the status of dependent objects
  ALTERTABLEtableADDcolumn	INVALIDWhen: Uses of the object (except a view)-dependent SELECT * on table . Dependent object uses table %rowtype . Dependent object performs INSERT on table without specifying a list of columns. Dependent object references table in the query that contains a join in SQL. Dependent object references table in the query that refers to a PL/SQL variable. Otherwise, no change.

  Read the WHOLE ARTICLE and see if it does not have to explain your problem.

• ALTER table add partition error

  Hello world
  
  In fact, I add more partitions in an existing table. My sql is
  
  ALTER table dmp_tlog1_bk add the partition by range (tmonth)
  (
  P9_200908 lower VALUES (200909) PARTITION.
  P10_200909 lower VALUES (200910) PARTITION.
  PARTITION P11_200910 lower VALUES (200911));
  commit;
  
  but I get the following error
  Error from the 1 in the command line:
  ALTER table dmp_tlog1_bk add the partition by range (tmonth)
  
  P9_200908 lower VALUES (200909) PARTITION.
  P10_200909 lower VALUES (200910) PARTITION.
  PARTITION P11_200910 lower VALUES (200911)
  Error report:
  SQL error: ORA-00902: invalid data type
  00902 00000 - "invalid data type".
  * Cause:
  * Action:
  validation succeeded.
  
  
  The data type of the tmonth is number (8.0) is the structure of the table.
  
  
  could you please help?
  
  
  Thank you very much

  alter table dmp_tlog1_bk add partition P9_200908 VALUES less than (200909)
  /
  

  SY.

• ALTER TABLE with the column NULL time consuming

  Hello

  I have a table with nearly 2 million documents (about 10 GB size table) when I perform the following change statement its run fast

  ALTER TABLE tbl_1 ADD (DEFAULT col_4 NUMBER 100 NOT NULL);

  but when I do not give the NOT NULL in the alter its taking a long time to complete this i.e tbl_1 of ALTER TABLE ADD (NUMBER col_4 by DEFAULT 100); once I do the column as NOT NULL.

  Can someone explain why is it happening like that regarding the execution point.

  Thanks in advance.

  I can reproduce the effect in 11.2.0.1 - but not in 12.1.0.1.

  drop table tbl_1;

  create table tbl_1

  as

  Select rownum id

  , lpad ('* ', 50,' *') padding

  of the double

  connect by level<=>

  ALTER TABLE tbl_1 ADD (NUMBER col_4 by DEFAULT 100);

  --> slow in 11.2.0.1; fast 12.1.0.1

  ALTER TABLE tbl_1 ADD (DEFAULT col_4 NUMBER 100 NOT NULL);

  --> Quick 11.2.0.1 and 12.1.0.1

  A SQL trace for two operations (11g) shows that the altar slow (without the constraint explicit non-null) made explicit (and tedious) update of any row in the table:

  Update 'TBL_1"set"COL_4"= 100

  call the query of disc elapsed to cpu count current lines

  ------- ------  -------- ---------- ---------- ---------- ----------  ----------

  Parse        1      0.00       0.02          0          1          0           0

  Run 1 11,63 33.56 8336 1016125 2053531 1000000

  Fetch        0      0.00       0.00          0          0          0           0

  ------- ------  -------- ---------- ---------- ---------- ----------  ----------

  Total 2 11,63 33,58 8336 1016126 2053531 1000000

  The other trace file does not contain the explicit Update. I guess in the optimized case that oracle stores somewhere that col_4 has the value 100 and updates only the line of the block after completing DML operations. But that's just a guess.

• Generate the DDL - change is a new column and I want to generate an alter table.

  All, morning
  
  I searched and searched all over the Data Modeler and I can't find this option... but I found it easily in the designer.
  I hope you can help me.
  
  V3.0.0.665 SQL Developer Data Modeler.
  
  I added a new column to a table, and when I generate the DDL I wish it were an alter table add column rather than a table to create.
  This feature is in the designer, so I think it would be in the Data Modeler.
  
  Just in case my description isn't clear, here are the high level steps, then it is clear.
  
  1 create logic model
  2. create the relational logic.
  3. create the physical relationship.
  4 generate the DDL and run in the database. At this point, I'm going to production with my system, and all right.
  5. at this point, we have an enhancement request. For the model, it will be a new column in a table.
  6. update of the logic model.
  7. relational update logic
  8 physical update of relational
  9 generate the DDL. Here, I would have generate it know that it needs to generate an alter table add column and does not create the table.
  This is something I do a lot as all my models are in production. I can't find how to do this step to get data Modeler to generate the altar.
  Designer done exceptionally well.
  
  Quite often, it is more than a single column. Changes can be many and made over time and at the time of generating the DDL you remember not every single amendment. To have the tool discover these changes for you and generate the appropriate DDL is a feature that I consider as very high.
  
  I hope that is clear and you can help me.
  
  See you soon
  Chris...

  Hi Chris,

  you need to compare your model on database - database relational model even import and use the option 'swap target' - in this case 'expressions of alter' against the database will be generated.
  You can watch demonstrations here http://www.oracle.com/technetwork/developer-tools/datamodeler/demonstrations-224554.html
  It would probably be more useful http://download.oracle.com/otn_hosted_doc/sqldev/importddl/importddl.html
  Sooner or later your changes will require the table to be recreated, and you will need to backup your data - you can consider using the 'Advanced DDL' option - script is generated that will land your table content (including LOBs) to the system of files accessible from the database and restore after changes. Well not try directly on the production system :).

  Philippe

• ALTER TABLE hf_altertest ADD COLUMN does not

  I am using ORACLE 11g and my FDI is Developer SQL 4.1.1

  It's all free PC version that has limits.

  I tried on:

  CREATE TABLE hf_altertest

  (

  contact_id INTEGER NOT NULL

  , name VARCHAR (25)

  , last_name VARCHAR (35)

  PRIMARY KEY (contact_id)

  );

  ALTER TABLE hf_altertest State to add a CHAR (2) COLUMN;

  But when I go to run the ALTER TABLE statement then I get following error:

  rror starting at line: 1 323 in command.

  ALTER TABLE hf_altertest State to add a CHAR (2) COLUMN

  Error report-

  SQL error: ORA-00904: invalid identifier

  00904, 00000 - '% s: invalid identifier '.

  * Cause:

  * Action:

  I can run the same code in MySQL without error.

  This leads me to think that maybe I'm just bumping into a limit in the free version of PC.

  Any thoughts?

  3003916 wrote:

  I am using ORACLE 11g and my FDI is Developer SQL 4.1.1

  It's all free PC version that has limits.

  ALTER TABLE hf_altertest State to add a CHAR (2) COLUMN;

  But when I go to run the ALTER TABLE statement then I get following error:

  rror starting at line: 1 323 in command.

  ALTER TABLE hf_altertest State to add a CHAR (2) COLUMN

  Error report-

  SQL error: ORA-00904: invalid identifier

  00904, 00000 - '% s: invalid identifier '.

  * Cause:

  * Action:

  I can run the same code in MySQL without error.

  This leads me to think that maybe I'm just bumping into a limit in the free version of PC.

  Any thoughts?

  There is no LIMIT to the 'free' version  If you read the error message he said THAT was not a valid identifier.  Just to show you that I tried your erroneous statement

  ALTER TABLE hf_altertest ADD COLUMN state2 CHAR(2);
  

  and here is the indicator error message in SQL +.

  SQL * more: Production of liberation 12.1.0.2.0 Tue Oct 15 14:34:57 2015

  Copyright (c) 1982, 2014, Oracle.  All rights reserved.

  Connected to:

  Oracle Database 11 g Enterprise Edition Release 11.2.0.4.0 - 64 bit Production

  With the partitioning, Real Application Clusters, Automatic Storage Management, OLAP

  and Data Mining options

  Add a COLUMN state2 TANK (2)

  *

  ERROR on line 2:

  ORA-00904: invalid identifier

  As you can see (and as the previous poster of response indicates), the 'COLUMN' KEYWORD is not necessary when adding new columns.  Only when 'RENAME' is used, then you add the keyword COLUMN.

  See the documentation for the syntax of ALTER TABLE here--> http://docs.oracle.com/database/121/SQLRF/statements_3001.htm#SQLRF01001

  See specific clause RENAME syntax here--> http://docs.oracle.com/database/121/SQLRF/statements_3001.htm#i2183480

• Online syntax to create Foreign key with Alter Table statement

  I am a pretty meticulous reader. That being said, from the 4 texts that I read to start to learn SQL, I do not remember and do more that probably not, find a syntax online for the creation of a CF with the statement alter table.

  Just something I thought while I was reading.

  Is there a such syntax?

  And if so someone can give me direction on my code?

  ALTER table emp4 change employee_id key foreign employees of references (employe_id);

  It gives me the option error invalid alter table.

  Any idea would be appreciated.

  Thank you.

  rp0428 wrote:

  A foreign key is a constraint, you must use ADD CONSTRAINT.

  Thare is more than one way to skin a cat:

  SQL > create table tbl (id number, name varchar2 (10))
  2.

  Table created.

  SQL > alter table tbl adds (foreign key references emp (empno))
  2.

  Modified table.

  SQL > select constraint_name,.
  2 constraint_type
  3 from user_constraints
  4 where table_name = 'TBL '.
  5.

  CONSTRAINT_NAME C
  ------------------------------ -
  SYS_C0021920 R

  SQL > drop table tbl purge
  2.

  Deleted table.

  SQL > create table tbl (id number, name varchar2 (10))
  2.

  Table created.

  SQL > alter table tbl change (foreign key references emp (empno))
  2.

  Modified table.

  SQL > select constraint_name,.
  2 constraint_type
  3 from user_constraints
  4 where table_name = 'TBL '.
  5.

  CONSTRAINT_NAME C
  ------------------------------ -
  SYS_C0021921 R

  SQL >

  SY.

• alter table drop column

  Hi all

  I create a simple table like this:

  create table x (a number, b varchar2 (20));

  ALTER table x modify a primary key constraint a_pk;

  insert into x values (1, 'first row');

  insert into x values (2, 'second row');

  commit;

  Then:

  SQL > select * from x;

  A AND B

  ---------- --------------------

  1 first row

  2 second row

  Then I run these commands:

  SQL > alter table drop column x.

  Modified table.

  SQL > select * from x;

  B

  --------------------

  first row

  second row

  Question: Why am I able to remove this column when a PRIMARY KEY for the table? I do not use the key words of CONSTRAINT CASCADE with the DROP COLUMN clause...

  I have Mr. Steve O'Hearn here saying this in his book 'Certified Expert Guide exam 1Z0-047:

  CREATE TABLE ORDER_RETURNS

  (NUMBER OF ORDER_RETURN_ID,

  NUMBER OF CRUISE_ORDER_ID

  DATE OF CRUISE_ORDER_DATE,

  CONSTRAINT PK_OR PRIMARY KEY (ORDER_RETURN_ID));

  .. We can not remove the column the table ORDER_RETURNS that

  is subject to the constraint PRIMARY KEY (ORDER_RETURN_ID)... The reasons are:

  ORDER_RETURN_ID is the PRIMARY KEY of this table...

  Isn't this correct?

  No - it's NOT correct - the book is bad.

  You could have just tested the FULL example in the book to verify that the statement is wrong.

  http://weirdoootamee.yolasite.com/resources/Oracle%20sql%20expert.PDF

  See page 432

  CREATE TABLE CRUISE_ORDERS
  (NUMBER OF CRUISE_ORDER_ID,
  ORDER_DATE DATE,
  PK_CO (CRUISE_ORDER_ID, ORDER_DATE) PRIMARY KEY CONSTRAINT);

  CREATE TABLE ORDER_RETURNS
  (NUMBER OF ORDER_RETURN_ID,
  NUMBER OF CRUISE_ORDER_ID
  DATE OF CRUISE_ORDER_DATE,
  CONSTRAINT PK_OR PRIMARY KEY (ORDER_RETURN_ID).
  FOREIGN KEY CONSTRAINT FK_OR_CO
  (CRUISE_ORDER_ID, CRUISE_ORDER_DATE)
  REFERENCES CRUISE_ORDERS (CRUISE_ORDER_ID, ORDER_DATE));

  create two tables - add data, if you want.

  Then try to delete the primary key column and see what happends

  ALTER table drop column order_return_id order_returns;

  The best way to learn is to actuall TRY of THINGS.

  Try it with your own table, but the FIRST thing that you should try was the real example of the book.

• foreign key ALTER TABLE QUERY PROBLEM

  HAI ALL,
  
  ANY SUGGESTION PLEASE?
  
  UNDER: foreign key ALTER TABLE QUERY PROBLEM
  
  I want TO CREATE AND ALTER TABLE foreign key:
  
  1.TABLE:HAEMATOLOGY1
  COLUMN: HMTLY_PATIENT_NUM
  WITH
  TABLE: PATIENTS_MASTER1
  COLUMN: PATIENT_NUM (THIS IS THE KEY PRIMARY AND UNIQUE)
  
  1.TABLE:HAEMATOLOGY1
  COLUMN: HMTLY_TEST_NAME
  WITH
  TABLE: TESTS_MASTER1
  COLUMN: TEST_NAME ((C'EST LA CLÉ UNIQUE))
  ---------------
  
  
  SQL + QUERY DATA:
  -----------
  ALTER TABLE HAEMATOLOGY1
  Key constraint SYS_C002742_1 foreign (HMTLY_PATIENT_NUM)
  references PATIENTS_MASTER1 (PATIENT_NUM);
  
  ERROR on line 2:
  ORA-01735: invalid option of ALTER TABLE
  
  NOTE: THE NAME OF THE CONSTRAINTS: SYS_C002742_1 TAKEN FROM ORACLE ENTP TABLE DETAILS. MGR.
  ---------
  ALTER TABLE HAEMATOLOGY1
  Key constraint SYS_C002735_1 foreign (HMTLY_TEST_NAME)
  references TESTS_MASTER1 (TEST_NAME);
  
  ERROR on line 2:
  ORA-01735: invalid option of ALTER TABLE
  
  NOTE: THE NAME OF THE CONSTRAINTS: SYS_C002735_1 TAKEN FROM ORACLE ENTP TABLE DETAILS. MGR.
  
  ==============
  
  4 TABLES OF LABORATORY CLINIC FOR DATA ENTRY AND GET REPORT ONLY FOR THE TESTS CARRIED OUT FOR PARTICULAR
  
  PATIENT.
  
  TABLE1:PATIENTS_MASTER1
  COLUMNS: PATIENT_NUM, PATIENT_NAME,
  
  VALUES:
  PATIENT_NUM
  1
  2
  3
  4
  PATIENT_NAME
  BENAMER
  GIROT
  KKKK
  PPPP
  ---------------
  TABLE2:TESTS_MASTER1
  COLUMNS: TEST_NUM, TEST_NAME
  
  VALUES:
  TEST_NUM
  1
  2
  TEST_NAME
  HEMATOLOGY
  DIFFERENTIAL LEUKOCYTE COUNT
  -------------
  
  TABLE3:HAEMATOLOGY1
  COLUMNS:
  HMTLY_NUM, HMTLY_PATIENT_NUM, HMTLY_TEST_NAME, HMTLY_RBC_VALUE, HMTLY_RBC_NORMAL_VALUE
  
  VALUES:
  HMTLY_NUM
  1
  2
  HMTLY_PATIENT_NUM
  1
  3
  MTLY_TEST_NAME
  HEMATOLOGY
  HEMATOLOGY
  HMTLY_RBC_VALUE
  5
  4
  HMTLY_RBC_NORMAL_VALUE
  4.6 - 6.0
  4.6 - 6.0
  ------------
  
  TABLE4:DIFFERENTIAL_LEUCOCYTE_COUNT1
  COLUMNS: DLC_NUM, DLC_PATIENT_NUM, DLC_TEST_NAME, DLC_POLYMORPHS_VALUE, DLC_POLYMORPHS_
  
  NORMAL_VALUE,
  
  VALUES:
  DLC_NUM
  1
  2
  DLC_PATIENT_NUM
  2
  3
  DLC_TEST_NAME
  DIFFERENTIAL LEUKOCYTE COUNT
  DIFFERENTIAL LEUKOCYTE COUNT
  DLC_POLYMORPHS_VALUE
  42
  60
  DLC_POLYMORPHS_NORMAL_VALUE
  40-65
  40-65
  -----------------
  
  
  Thank you
  RCS
  E-mail:[email protected]
  --------

  ALTER TABLE HAEMATOLOGY1
  ADD Key constraint SYS_C002742_1 foreign (HMTLY_PATIENT_NUM)
  references PATIENTS_MASTER1 (PATIENT_NUM);

• ALTER table move online in an encrypted tablespace

  Hello

  Our DBA want to put all our data in encrypted storage.

  Once they create encrypted tablespaces, we will have to do «alter table move online...» "orders for encrypted storage space around the tables.

  Has anyone here done already?   Keeps the table moved really 'on-line' (available at query/insert/update) during the move?  Or will we have to wait some time stop/downtime while the tables are moved?
  What about the tables with long or CRAFT?

  Thank you!

  KSandberg and to add to the recall of John that only ITO tables can be moved online, if the table needs to be moved offline the indexes would be invalid until rebuilt.  If the table is an IOT I suggest you rebuild the index online after the move because even if the indexes are always used the logical ROWID is more pointing to the correct location and access of the index will be less effective that will you rebuild the index.

  - -

  The dbms_redefinition package could be an alternative solution if you need to move the tables no - ITO online.

  - -

  HTH - Mark D Powell.

• ALTER table, if not amended

  Hi, thank you very much in advance. How to add columns to a table only the columns not yet existed.

  ALTER table

  table-name

  Add

  (

  column1_name column1_datatype column1_constraint,

  column2_name column2_datatype column2_constraint,

  column3_name column3_datatype column3_constraint

  );

  
  

  If column1_name does not exist I have add the column in table_name. Otherwise, do not add the column.

  
  

  Best regards, ib
  

  Here the case, I give my client a script and if they add columns or not, I don't know. So, I want only the columns are added to the case where they do not exist. The script includes other ddl and dml so I don't want a mistake due to the change table make the script error. Thank you.

  Sorry-, you will have to wait for someone else to help.

  Just, that makes NO sense to me. If you are unsure when columns are added to a table, then you have lost ALL control over your data model. You can possibly write, test, or deploy code that uses tables and columns without knowing which columns a table has.

  You should just use separate scripts for these tables of problem so that if the script didn't it won't affect other scripts.

• ALTER table

  ALTER table

  How to change a table

  CREATE THE FIRST TABLE. S_CRITERIA

  (

  MODULE_NAME VARCHAR2 (100 BYTE) NOT NULL,

  EXCLUDE_LIST VARCHAR2 (2000 BYTE),

  INCLUDE_LIST VARCHAR2 (2000 BYTE),

  CREATED_BY VARCHAR2 (30 BYTE) NOT NULL,

  DATE_CREATED DATE NOT NULL,

  SRC_DB VARCHAR2 (3 BYTES) BY DEFAULT "AUS".

  )

  I want to add a ddl

  I want to add max_day to nom_du_module

  and include_list to equll 326

  ALTER table the Prime MINISTER. S_SALES_CENTER change varchar2 (3 byte) currency_code not null

• grant alter table

  Hello
  on the 11g R2,.
  which should be granted to the user, so being able to modify the table, or add column?
  I published
  

  GrANT ALTER TABLE TO USER 

  but I got ORA-00990.
  Thank you and best regards.

  user522961 wrote:
  Hello
  on the 11g R2,.
  which should be granted to the user, so being able to modify the table, or add column?
  I published

  GrANT ALTER TABLE TO USER 
  

  but I got ORA-00990.
  Thank you and best regards.

  You try with non-existent, should be amended any table ?

  SQL > SELECT DEALER, PRIVILEGE OF DBA_SYS_PRIVS WHERE DEALER ='&user';

  You can see any user if already granted.