Actually 't' is a string literal, "t" is an object name (here: a column name), while \`t\` is not defined in SQL.
SQL doesn't use (square) brackets [], (curly) braces {}, backticks \`\`, because is quite reduced using special characters.
Actually 't' is a string literal, "t" is an object name (here: a column name), while \`t\` is not defined in SQL.
SQL doesn't use (square) brackets [], (curly) braces {}, backticks \`\`, because is quite reduced using special characters.