示例如下: SELECT * FROM table_name WHERE column_name = 'I\'m a string with a single quote'; 复制代码 在上面的示例中,反斜杠用于转义单引号,以确保查询能够正确执行。另外,一些SQL数据库还提供了一些内置的转义函数,如MySQL中的mysql_real_escape_string()函数,可以更方便地处理特殊字符。 0 赞 0 踩...
The simplest method to escape single quotes in SQL is touse two single quotes. For example, if you wanted to show the value O’Reilly, you would use two quotes in the middle instead of one. The single quote is the escape character in Oracle, SQL Server, MySQL, and PostgreSQL. SELECT'...
{ $string = preg_replace('/'. preg_quote('\\') .'/', "\\\", $string); //escape any backslash $string = preg_replace('/\'/i', '\\\'', $string); //escape single quote with a backslash $string = preg_replace('/\"/', "\\\"", $string); //escape double quote with ...
String Escaper & Utilities SQL Escape - Unescape Escapes or unescapes a SQL string removing traces of offending characters that could prevent execution. The following rules are applied: Escapes all single quote characters by doubling them. Ex: select * from table where value = 'a single quote ...
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So see, if I run this it will be, my parent’s, double quote, the car is broken. That’s not what I want it to be. I want it to be single quotes, so I go like this and escape it. And if I was to do like, select, to show you what the value is. We can run this. ...
PRINT N'Current database name is $(ESCAPE_SQUOTE(A-DBN))' ; In this example, theESCAPE_SQUOTEmacro is inserted with theA-DBNtoken. At run time, theA-DBNtoken is replaced with the appropriate database name. The escape macro escapes any single quotation marks that may be inadvertently pass...
escaped = SINGLE_QUOTE_PATTERN.matcher(literal).replaceAll("''"); if (escapeBackslash) { ...
PRINT N'Current database name is $(ESCAPE_SQUOTE(A-DBN))' ;In this example, the ESCAPE_SQUOTE macro is inserted with the A-DBN token. At run time, the A-DBN token is replaced with the appropriate database name. The escape macro escapes any single quotation marks that may be ...
postgres=# copy t to '/data/pgxz/t.txt' with quote '%%' csv; ERROR: COPY quote must be a single one-byte character postgres=# 引用字符必须是一个单一的单字节字符,即汉字是不支持的。 使用escape 自定义逃逸符 postgres=# copy t to '/data/pgxz/t.txt' with quote '%' csv; ...