* '{$var}' should be used for text and is passed through the database's addQuotes method
* `{$var}` should be used for identifiers (eg: table and database names), it is passed through
* the database's addIdentifierQuotes method which can be overridden if the database
* uses something other than backticks.
* / *$var* / is just encoded, besides traditional dbprefix and tableoptions it's use should be avoided
* '{$var}' should be used for text and is passed through the database's addQuotes method
* `{$var}` should be used for identifiers (eg: table and database names), it is passed through
* the database's addIdentifierQuotes method which can be overridden if the database
* uses something other than backticks.
* / *$var* / is just encoded, besides traditional dbprefix and tableoptions it's use should be avoided