tag:blogger.com,1999:blog-6082652835152798567.post8652095203228596482..comments2024-03-28T00:58:12.736-07:00Comments on Sql server, .net and c# video tutorial: Default constraint in sql server - Part 4Unknownnoreply@blogger.comBlogger20125tag:blogger.com,1999:blog-6082652835152798567.post-49754741196338109172021-09-16T00:07:02.435-07:002021-09-16T00:07:02.435-07:00Hi Venkat,
Could you please give me an example fo...Hi Venkat,<br /><br />Could you please give me an example for this<br /><br />Adding a new column, with default value, to an existing table:<br />ALTER TABLE { TABLE_NAME } <br />ADD { COLUMN_NAME } { DATA_TYPE } { NULL | NOT NULL } <br />CONSTRAINT { CONSTRAINT_NAME } DEFAULT { DEFAULT_VALUE }Anonymoushttps://www.blogger.com/profile/03282949534096823501noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-49220524991940099852021-06-23T04:13:53.175-07:002021-06-23T04:13:53.175-07:00At the start when tblGender is created it only had...At the start when tblGender is created it only had two values 1 and 2 for male and females. In this video the tblGender was changed and one more column with ID = 3 is added saying unknown. So when you are trying to give a default value of 3, it will be checked with the Primary key of tblGender which don't have any 3 . This may be the error igAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-45612839417083540812019-10-20T08:50:29.180-07:002019-10-20T08:50:29.180-07:00ALTER TABLE tableName
ADD CONSTRAINT {Constraint_N...ALTER TABLE tableName<br />ADD CONSTRAINT {Constraint_Name} PRIMARY KEY (Primary_Key_Column_Name)Jignesh Patelhttps://www.blogger.com/profile/09434486245577315775noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-42335280776529401832019-08-27T01:55:13.885-07:002019-08-27T01:55:13.885-07:00alter table tableName
add primary key (columnName)...alter table tableName<br />add primary key (columnName)<br /><br />Make sure you don't have any duplicate data in the column before adding the constraint to it. Hope this helps.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-19327052273512765922019-04-05T08:36:58.031-07:002019-04-05T08:36:58.031-07:00how to alter column to set primary key in existing...how to alter column to set primary key in existing table<br />Nikkihttps://www.blogger.com/profile/07152317543961053260noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-41011090332533671322019-03-17T06:36:56.343-07:002019-03-17T06:36:56.343-07:00I'M FACING THIS ISSUE:
Msg 1752, Level 16, Sta...I'M FACING THIS ISSUE:<br />Msg 1752, Level 16, State 0, Line 1<br />Column 'GenderId' in table 'tblPerson' is invalid for creating a default constraint.<br />Msg 1750, Level 16, State 0, Line 1<br />Could not create constraint. See previous errors.MAN POWERhttps://www.blogger.com/profile/01154648517172864110noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-36790508964378688392018-09-22T06:34:52.149-07:002018-09-22T06:34:52.149-07:00HI Vekant ,
Please upload Videos on SSIS,SSRS,
...HI Vekant , <br /><br />Please upload Videos on SSIS,SSRS,<br /><br />ThanksAnonymoushttps://www.blogger.com/profile/12124761630225709266noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-65078426626241717312018-01-17T23:27:25.520-08:002018-01-17T23:27:25.520-08:00HI Vekant ,
Please upload Videos on SSIS,SSRS,
...HI Vekant , <br /><br />Please upload Videos on SSIS,SSRS,<br /><br />ThanksAnonymoushttps://www.blogger.com/profile/10757701043788524717noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-2764108737114605772017-12-26T01:51:56.637-08:002017-12-26T01:51:56.637-08:00Gender ID is primary key in tblGender table, where...Gender ID is primary key in tblGender table, where as value you are inserting in tblPerson table.<br /><br />-- Rajeev Ranjan TiwaryAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-7362597536316239852017-09-16T22:57:36.059-07:002017-09-16T22:57:36.059-07:00First we have to drop existing default constraintFirst we have to drop existing default constraintpradeep raturihttps://www.blogger.com/profile/00332829756274439056noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-60416677076796845832017-04-26T02:05:24.582-07:002017-04-26T02:05:24.582-07:00No,Restrictions .Depending on your requirement wha...No,Restrictions .Depending on your requirement what u want u can..Anonymoushttps://www.blogger.com/profile/17256873810033901305noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-37935649339444154212017-03-07T20:41:32.867-08:002017-03-07T20:41:32.867-08:00Sir can we use more than one default constraints f...Sir can we use more than one default constraints for a single table <br />either they work correctly or not Anonymoushttps://www.blogger.com/profile/12985733160577482750noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-21669217827431333082017-02-21T10:20:02.677-08:002017-02-21T10:20:02.677-08:00IF we are adding multiple records to the table, wi...IF we are adding multiple records to the table, without providing a value for GenderID, will it be adding 1 for all the fields? If so, since GenderID is a primary key, it has to be a unique value, so how does this work?Anonymoushttps://www.blogger.com/profile/14082545871494115482noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-73097068551865164742016-08-28T22:13:29.123-07:002016-08-28T22:13:29.123-07:00Hi Venkat,
Is der any restriction on insert comman...Hi Venkat,<br />Is der any restriction on insert command after adding default constraint and foreign key constraint<br /><br />i get this error "The INSERT statement conflicted with the FOREIGN KEY constraint "FK_tblPerson_GenderID". The conflict occurred in database "Sample", table "dbo.tblGender", column 'ID'." when i try to insert the values after adding default constraintAnonymoushttps://www.blogger.com/profile/09322288297521191082noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-74957618398562353982016-08-01T21:36:28.122-07:002016-08-01T21:36:28.122-07:00The database integrity will be lost . so it doesn&...The database integrity will be lost . so it doesn't allow u to delete that default value 3 in the tblGender .. the error will be raised .. Rajendra Prasad C Shttps://www.blogger.com/profile/17875055263930674992noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-88029882127049792962016-02-23T06:47:28.270-08:002016-02-23T06:47:28.270-08:00 Update tbl_Sold1 Set
Total = Quentity * price... Update tbl_Sold1 Set<br /> Total = Quentity * price<br />Anonymoushttps://www.blogger.com/profile/00899934373911297292noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-62381900626053440662015-09-17T03:26:34.424-07:002015-09-17T03:26:34.424-07:00To do that we have to drop the existing constraint...To do that we have to drop the existing constraint and create a new one Anonymoushttps://www.blogger.com/profile/01562199669122606013noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-43241356752179395152015-08-09T01:17:29.444-07:002015-08-09T01:17:29.444-07:00What if we delete the default value 3 from tblGend...What if we delete the default value 3 from tblGender and rule of referential integrity-set default is set for the foreign key in tblPerson ?<br />CKhttps://www.blogger.com/profile/07413608038918157563noreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-6707466940433436982014-05-17T05:19:23.080-07:002014-05-17T05:19:23.080-07:00Yes, we can by altering the constraint.
Ex:ALTER T...Yes, we can by altering the constraint.<br />Ex:ALTER TABLE tblPerson<br />ADD CONSTRAINT DF_tblPerson_GenderId<br />DEFAULT 3 FOR GenderIdAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6082652835152798567.post-73502685694529511002014-02-26T23:33:44.018-08:002014-02-26T23:33:44.018-08:00is it possible to change the default value for exi...is it possible to change the default value for exisintg default constraint if yes please explain..Anonymoushttps://www.blogger.com/profile/05393633311688780477noreply@blogger.com