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SQL injection/Target Environments/Compatibility/functions and variables

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SQL injection > Target Environments > Compatibility > functions and variables

Similarities between the different engines

MS SQL, MySQL, and PostgreSQL share the following:

  • ascii()
  • substring()
  • count()
  • lower()
  • upper()
  • BETWEEN ... AND ... conditional operator

MySQL and Postgres share the following:

  • current_database()
  • version()
  • current_user
  • LIMIT ... OFFSET ... clause syntax

MySQL and MSSQL share the following:

  • database()
  • @@version
  • RLIKE clause for regular expressions
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