• 1. single quote character: 单引号字符

• 1.This means, inside single quoted strings, the single quote character has to be escaped, and inside double quoted strings, the double quote character has to be escaped.
  这意味着，在单引号字符串，单引号字符必须逃，在双引号字符串，双引号字符必须逃跑。
  dict.yoduao.com
• 2.The character sequence \ represents a backslash escaped single quote 'in MySQL, but in DB2, a single quote must be escaped by adding another single quote "(double single quotes)."
  在MySQL中，字符序列\表示一个反斜杠转移单引号'，但在DB 2中，单引号必须要再加一个单引号来实现转义' '(即两个单引号)。
  dict.yoduao.com
• 3.A backslash can escape a double quote, or any single whitespace character.
  后斜杠可以对双引号或任一空白字符进行转义。
  dict.yoduao.com

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