These value then POST by the form and then captured by server script(in this case PHP). The problem is: ALL of this captured blank are actually treated as '' << blank string NOT the actual NULL. SO, if you tried to write these blank values into mySQL cell that was defined as INT ...
You need to use parameterized query and pass DBNull.Value as a parameter's value. In that case it will work fine. Here is sample how to use parameterized queries/stored procedures http://support.microsoft.com/kb/308049/en-us Friday, March 9, 2007 5:42 AM VMazur wrote: Expand table Yo...
hi... i want to insert null values in foreign key field in another table. Sp please help me fast. I need it.Please fast Reply Answers (1) When i execute the sql query shows error How to add datetime with Time Format add in sql server 2005 ...
[Sql server 2012] Change from vertical to horizontal table as dynamic @@FETCH_STATUS in nested loops @@ServerName returns wrong value in SQL SERVER 2008 ##TempTable and INSERT-SELECT FROM an existing Table with an IDENTITY column %rowtype equivalent in SQL server ++ operator in TSQL - ...
Re: how do you insert a null value in a parameterized SQL statement? System.DBNull.Value can't be converted to a string it will give you a conversion error. Dealing with DBNulls are annoying, but you have no choice really when dealing with databases. Reply With Quote May...
1. Using SQL Query ALTER TABLE table_name ADD column_name tada_type NOT NULL CONSTRAINT constraint_name DEFAULT default_value; If you set the new column nullable, that column value for all existing rows will be NULL instead of the default value. In that case, you can addWIT...
How to Insert Values into an Identity Column in SQL Server SETIDENTITY_INSERTtable ON Insert records SET IDENTITY_INSERT table OFF 标签:database mr liao 粉丝-0关注 -1 +加关注 0 0 升级成为会员
How to insert a string value with an apostrophe (single quote) in a column is a general problem? Mostly, it happens when you insert any name with apostrophe. One of my colleagues faced this issue this morning. He had to upload a list of customers and some of the custome...
Set null value importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.PreparedStatement;//fromjava2s.compublicclassMain {publicstaticvoidmain(String[] args)throwsException { Connection conn = getConnection(); PreparedStatement pstmt = null; conn = getConnection(); String query =...
because it recognizes NULL and 'does the right thing'.Navigate: Previous Message• Next Message Options: Reply• Quote Subject Written By Posted How to Insert NULL value into SQL - Here THE Solution One Ask October 13, 2010 07:14PM Re: How to Insert NULL value into SQL - Here...