How do I add a string to a special character in SQL?

Solution 3

1. select * from table where myfield like ‘\\% off\%’ ESCAPE ‘\’
2. set @myString = replace( replace( replace( replace(@myString,’\’,’\\’), ‘\%’,’\\%’), ‘_’,’\_’), ‘[‘,’\[‘)
3. select * from table where myfield like ‘\%’ + @myString + ‘\%’ ESCAPE ‘\’

How do you handle special characters in SQL?

Use braces to escape a string of characters or symbols. Everything within a set of braces in considered part of the escape sequence. When you use braces to escape a single character, the escaped character becomes a separate token in the query. Use the backslash character to escape a single character or symbol.

How do I insert a Unicode character into MySQL?

In order to insert Unicode characters in MySQL, you need to create a table with Unicode support, select the appropriate encoding/collation settings, and specify the charset in the MySQL connection. Then, you can proceed and employ PHP code to insert Unicode as you please.

How do I escape a special character in MySQL insert?

To insert binary data into a string column (such as a BLOB column), you should represent certain characters by escape sequences. Backslash ( \ ) and the quote character used to quote the string must be escaped. In certain client environments, it may also be necessary to escape NUL or Control+Z.

How do I add special characters to Sybase?

Represent special characters in strings by escape sequences, as follows:

1. To represent an apostrophe inside a string, use two apostrophes in a row.
2. To represent a newline character, use a backslash followed by n (\n).
3. To represent a backslash character, use two backslashes in a row (\\).

What are SQL special characters?

List of special characters for SQL LIKE clause

• \%
• _
• [specifier] E.g. [a-z]
• [^specifier]
• ESCAPE clause E.g. \%30! \%\%’ ESCAPE ‘!’ will evaluate 30\% as true.
• ‘ characters need to be escaped with ‘ E.g. they’re becomes they”re.

Does PHP support Unicode?

PHP does not offer native Unicode support. PHP only supports a 256-character set. However, PHP provides the UTF-8 functions utf8_encode() and utf8_decode() to provide some basic Unicode functionality.

How remove special characters from a string in MySQL select query?

This section will remove the characters from the string using the TRIM() function of MySQL. TRIM() function is used to remove any character/ whitespace from the start/ end or both from a string….Remove characters from string using TRIM()

How do I escape a string in PHP?

Widely used Escape Sequences in PHP

1. \’ – To escape ‘ within single quoted string.
2. \” – To escape “ within double quoted string.
3. \\ – To escape the backslash.
4. \$ – To escape $.
5. \n – To add line breaks between string.
6. \t – To add tab space.
7. \r – For carriage return.