Replace apostrophe with a space in mysql table column from C#

Question

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I want to change every apostrophe( ' )with a space in MySQL table Column .

Error message is about syntaxe echec !

What I have tried:

string query = "update database.table set column = column.Replace('"+"'"+"','"+" "+"');" ;

Posted 27-Oct-17 0:32am

EM_Y

Updated 27-Oct-17 1:15am

v2

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3 solutions

Solution 1

Try :

SQL

update database.table set column = REPLACE(column, '\'', ' ')

Posted 27-Oct-17 0:41am

Mehdi Gholam

Comments

EM_Y 27-Oct-17 6:57am

Thank you but it doesn't work .

Solution 3

Use ALTER TABLE[^]

Posted 27-Oct-17 1:15am

A_Griffin

Comments

phil.o 27-Oct-17 8:26am

ALTER statement is for modifying a table's schema, not the values which are stored in its columns.

A_Griffin 27-Oct-17 8:31am

Yes, sorry - I misread the question

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phil.o · Accepted Answer · 2017-10-27T00:47:00

If you want to escape a single quote in a MySQL string, you have two ways of doing it:
1. make it two single quotes:

C#

string query = "update database.table set column = column.Replace('''',' ');" ;

2. use the escape character (\):

C#

string query = @"update database.table set column = column.Replace('\'',' ');" ;

In the second solution you have to prefix your c# string with the @ character, so that the compiler does not interpret the escape character in sthe string as a C# escape character (and thus leaves this as it is).
Kindly.