MySQL Escape Apostrophes: Double Quotes or Backslash – Which is Better?

Escaping Apostrophe in MySQL: A Double or Backslash Dilemma

Many documentation sources state that the backslash () serves as the escape character for single quotes (') in MySQL. However, discrepancies arise as both single quotes and double single quotes ('') have been observed to fulfill this purpose.

According to the MySQL documentation, a single quote within a single-quoted string can be written as two single quotes ('') to escape it. This rule applies regardless of the specific MySQL version.

While the usage of the backslash as an escape character has been historically accepted in PostgreSQL and other database systems, it poses potential security risks. Experts emphasize that the preferred method for escaping single quotes in SQL is by doubling them ('') instead of using the backslash.

However, it's important to consider your specific constraints, including the language you're using, the SQL database you're working with, and any non-standard quirks or query frameworks that may influence your choice. Ultimately, selecting the most appropriate method for escaping single quotes depends on your particular circumstances.

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