Store special characters in mysql
Asked 13 years, 4 months ago Show Viewed 15k times Im having a small problem with storage of special characters like quotes, double quotes and ampersands. I put every POST request through
mysql_real_escape_string(), and when I add a string like How can I get around this?
chaos 120k33 gold badges300 silver badges308 bronze badges asked May 1, 2009 at 21:01 1 It looks like the problem is that you're not just running the incoming data that you store in the database through answered May 1, 2009 at 21:12
chaoschaos 120k33 gold badges300 silver badges308 bronze badges 4 Quoted from Mysql reference doc There are several ways to include quote characters within a string:
The following SELECT statements demonstrate how quoting and escaping work:
Refer : http://dev.mysql.com/doc/refman/5.0/en/string-syntax.html answered May 1, 2009 at 21:11
WebrskWebrsk 9942 gold badges14 silver badges24 bronze badges 9.1.1 String Literals A string is a sequence of bytes or characters, enclosed within either single quote (
Quoted strings placed next to each other are concatenated to a single string. The following lines are equivalent:
If the
A binary string is a string of bytes. Every binary string has a character set and collation named For both types of strings, comparisons are based on the numeric values of the string unit. For binary strings, the unit is the byte; comparisons use numeric byte values. For nonbinary strings, the unit is the character and some character sets support multibyte characters; comparisons use numeric character code values. Character code ordering is a function of the string collation. (For more information, see Section 10.8.5, “The binary Collation Compared to _bin Collations”.) A character string literal may have an optional character set introducer and
Examples:
You can use
For information about these forms of string syntax, see Section 10.3.7, “The National Character Set”, and Section 10.3.8, “Character Set Introducers”. Within a string, certain sequences have special meaning unless the Table 9.1 Special Character Escape Sequences
The ASCII 26 character can be encoded as The There are several ways to include quote characters within a string:
The following
To insert binary data into a string column (such as a When writing application programs, any string that might contain any of these special characters must be properly escaped before the string is used as a data value in an SQL statement that is sent to the MySQL server. You can do this in two ways:
How do you store special characters in a database?For text that could have "special" characters, you need nvarchar . +1 Also it should be noted that it's unless you're expecting to allow "special characters" or "foreign language characters", you'll probably want to stick with a varchar especially if you're going to index by that column.
How do I save a special character in SQL?Use NVARCHAR instead of VARCHAR. SQL Server provides both datatypes to store character information. For the most part the two datatypes are identical in how you would work with them within SQL Server or from an application.
How do I save a UTF 8 character in MySQL?How to store UTF8 characters in MySQL. Check Character Set. Open terminal and run the following command replacing username below with your database username. ... . Change Character Set to UTF8. Open my.cnf file in terminal $ sudo vi /etc/my.cnf. ... . Restart MySQL Server. ... . Convert MySQL database to UTF8.. Does varchar allow special characters MySQL?So what is varchar in SQL? As the name suggests, varchar means character data that is varying. Also known as Variable Character, it is an indeterminate length string data type. It can hold numbers, letters and special characters.
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